As soon as Linda went into the department that sold raincoats, she sensed there was something unusual in the atmosphere.
First of all, there was a salesman there and not a saleswoman. That was very unusual in the women’s coat department. The salesman asked if he could be of any help. But when she said she was just looking he did not seem to be listening. He (lid not look very much like a salesman, either.
A second later a raincoat caught her eye. Site asked him a question about it. He did not even hear her at first. She asked again. She wanted to know if he had any coats like it with a detachable (可分离的) lining. He did not seem to understand what a detachable lining was. She explained. Then she went on looking. She noticed that the salesman seemed to be watching another customer in the department all the time. The other customer, a middle-aged woman, left the department. The salesman immediately went to the phone and told somebody on the other end that the woman had gone and had definitely taken two leather belts without paying for them. Then he turned to Linda and explained that he was not a salesman at all but a store detective. Later, Linda read in the paper that a woman had been arrested for stealing some belts front a department store, or, in other words, for shoplifting.
"Lining" (Para. 3) here is ______.

A hundred years ago, life expectancy in developed countries was about 47; in the early 21st century, men in the United States and the United Kingdom can expect to live to about 74, women to about 80, and these (51) are rising all the time. What has brought (52) these changes When we look at the life (53) of peoplel00 years ago, we need to look at the greatest (54) of the time. In the early 20th century, there were the acute and often (55) infectious diseases such as smallpox. Many children died very young from these diseases and others, and the weak and elderly were always at risk.
In the (56) world these diseases are far (57) today, and in some cases have almost disappeared A number of (58) have led to this: improvements in sanitation and hygiene, the discovery and use of antibiotics, which (59) bacterial diseases much less dangerous, and vaccinations (60) common diseases. (61) , people’s general health has improved with improvements in our general environment: cleaner air, better means of preserving food, better and warmer housing, and better understanding of nutrition.
Genetically, we should all be able to live to about 85 but (62) people do live longer today, there are still some big killers around that are preventing us from consistently reaching that age. The problems that affect people today are the more chronic illnesses, such as heart disease and strokes, and those (63) by viruses, such as influenza and AIDS. Of course, cancer is a huge killer as well. In most cases these diseases affect (64) people, but there are worrying trends in the developed world with problems such as obesity (65) more heart disease and illnesses such as diabetes at younger ages.
The killers today can be classed as "lifestyle diseases", which means that it may be possible to halt their progress.

A. wholesalers and retailers, although uncontrollable, are responsible for the selection of trade channels and development of distribution system
B. the marketing executive has great freedom in selecting trade channels and developing distribution system in spite of the presence of some uncontrollable factors
C. the marketing executive is free from the control of wholesalers and retailers
D. the marketing executive works with wholesalers and retailers with great consideratrion of position