单项选择题

Modem advertising men try to justify what they do by telling us of the advantages of advertising. Thus, it is said that advertising (31) the price of goods because it increases the number that (32) . In fact, products could often be sold more cheaply if (33) not wasteful (34) between companies. This results (35) expensive advertisements, the cost of which is passed (36) the public. A magazine has point ed out that headache pills without (37) name can be sold very cheaply, but the same pills, advertised (38) a cost of half a million pounds a year, cost five times (39) .
Secondly, it is suggested that advertising gives information to the customer. It is, of course, (40) to know what is (41) at the local cinema, the date of a (42) or even that certain types of goods are available. But most advertising does (43) than inform, and much is misleading. You would be very wrong to believe that all the tests shown on television are (44) . Thus, in a polish advertisement, black glass was used instead of wood to give a shiny (45) , and in a cat’s food advertisement, (46) meat was used because the eat refusal to eat the tinned product. That whiter than white shirt in a washing powder ad is (47) to be bright blue.
Finally, it is said that advertising (48) the quality of goods because advertisers worry about their reputations, This may be so in many (49) , but it could also be argued that advertising has made people willing to (50) poor quality goods.

A. sold B. are selling C. being sold D. are sold