第13题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Unemployment. B. Family breakup. C. Mental problems. D. Drinking. 参考答案:B 答案解析:[听力原文]
W: Tony, who are the street people How did they get to be living in the street
M: Well, s