听力原文: Why do people smoke? One reason is that people be come dependent on cigarettes.
Another reason is that people simply enjoy smoking and what it symbolizes. Having a cigarette for many people means taking a break. For some people smoking becomes part of certain social forms, for example, the cigarette after dinner. Many people enjoy smoking because it makes their hands busy.
Many people also like the taste of tar in cigarettes. However, it is the tar that causes cancer. While governments and health experts have tried to make people give up smoking entirely, cigarette manufacturers have to keep selling them by p reducing cigarettes with less tar. Many people in western countries have welcomed these cigarettes since they find it difficult to stop smoking but want to reduce the risk to their health.
Why do so many people become dependent on cigarettes?
A.Because they like the taste of tar.
B.Because smoking makes them feel relaxed.
C.Because smoking is fun to them.
D.Because smoking cures them of cancer.