听力原文:W: David who are the street people? How did they get to living in the street?M:

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听力原文:W: David, who are the street people? How did they get to living in the street?

M: Well, some of them lost their job, some of them have mental problem, and some of them drink.

Q: which of the following factors is not mentioned as a cause of becoming street people?

(14)

A.Unemployment.

B.Family break-up.

C.Mental problem.

D.Drinking.

请帮忙给出正确答案和分析,谢谢!

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