Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.
How many women die of smoking each year

A．It is popular to have some non-western elements in Broadway music.
B．The director used to live in South Africa.
C．The story takes place in Africa; therefore, the music should show explicit African culture.
D．The director believed the songs in the Broadway version to be identical to the songs in the film.

A．Predators usually sleep for a longer time than preys do.
B．Cats and dogs are not very responsive to a sound when they are sleeping.
C．Smart animals such as dolphins and whales are less frequently immobilized by deep sleep.
D．Young predators may become immobilized when in danger because it is difficult for them to keep quiet.