A、$160.00. B、$150.00. C、$180.00. D、$120.00. B选项提示特别关注对话中的数字，根据对话中的“It’s $50.00 a week，but only $160.00 a month．”提示正确答案是B

W: How did your interview go?
M: I couldn’t feel better about it. The questions were very fair, and I seemed to have found answers to all of them.
Q: What does the man think about his performance in the interview?

M: Do you rent the room by the week? You see, I’m not sure whether I’ll stay for a whole month.
W: Yes, the rates are higher though. It’s $50.00 a week, but only $160.00 a month.
Q: How much will the man pay if he rents the room for three weeks?