听力原文：M: Can you help me? I'm looking for a room. W: Yes, I know a small room. It's $50 a week. but only $180 a month. Q: How much will the man pay if he rents the room for three weeks? (8) A.$50. B.$150.00 C.$180.00 D.$540.00
A.Q: B.$50. B.$150.00 C.$180.00 D.$540.00
【参考答案】
B 解析：本题考查简单的数字运算能力。对话中a week, per month分别指“每个星期”，“每个月”。需......