【正确答案】 B

【答案解析】[听力原文]
W: Good morning. Can I help you?
M: Yes, I'm Stone Williams. I've reserved a room here.
W: Let me check. Yes, a single room for one night.
M: That's right.
W: Would you please fill out this registration form?
M: Certainly. Oh, how much do you charge a day?
W: Thirty dollars a day.
M: All right. Here is the form.
W: Thanks. Here's your room key. Have a good day.
M: Thanks.

What is the conversation about?

[解析] 本题是推理题。对话是围绕着男士订了一间房间进行的。“I've reserved a room here”是该对话的关键句。所以答案是B。

【正确答案】 C

【答案解析】[听力原文]
How much will the man pay?

[解析] 本题是细节题。问的是男士将付多少钱。对话中女士说“Thirty dollars a day”，所以答案是C。