参考答案：B

解析：[听力原文]11-14 W: Good evening, sir. M: Good evening. My name’s Peter Roach. I believe you have a room reserved for me. W: Just a moment, Mr. Roach. Let’s see. Roach, yes, Mr. Roach, room 803. Would you fill in this form, please M: Certainly. Eh…I don’t have a pen and there isn’t one on the desk. W: Isn’t there How strange! M: Perhaps someone walked off with it. Could you lend me yours W: Of course. Here you are. How long do you intend to stay, Mr. Roach M. I’m not sure. It all depends. But I’m probably going to leave on Saturday. That means I probably will stay for three nights. Of course, it may be longer than that, you know. W: For three nights until Saturday. I see. Would you tell us as soon as you know M: Certainly. Where shall I put the number of my passport W: Just at the bottom. That’s right. Thank you. M: Oh, would you wake me up at 7 tomorrow morning W: At 7, certainly. Tom, would you please take Mr. Roach’s suitcase to his room Just follow the porter, Mr. Roach. M: Thank you. You’ve been very helpful. Goodbye. W: My pleasure. Goodbye. Oh! Mr. Roach. My pen! M: Your pen W: Yes. I lent it to you a moment ago. You remember M: Oh, yeah, of course you did. I put it in my pocket by mistake. Here you are. I’m very sorry. W: That’s quite all right.11. Where does this conversation most probably take place