Question 15 is based on the conversation you have just heard.

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M: Well, I think that was quite a successful trip in the end. Don’t you think, Jenny?

W: Absolutely. (12) [There are lots of great potential markets here in China. So I’m sure that the head office in London will be pleased once we get back and present our research.] 

M: OK, we’ve got a bit of spare time now. Can we discuss the return trip to the head office？

W: Sure, I’ve checked the availability of flights from Beijing to London on the 22nd. And you have a choice. There’s a flight arriving the following morning with a two-hour stopover in Dubai, or a flight arriving at 11:30 in the evening with a five-hour stopover in Amsterdam.

M: Right. (13) [Well, that’s obvious then, isn’t it?]

W: (13) [OK. So that’s Dubai.] I’ve booked a room in a hotel about a mile from the office. The nearest metro station is Earl’s Court.

M: Great. (14) [Can you find a map that shows where the hotel is and send it to me online?] I’ve never been to the head office, you know. I want to see if I can get one of those rental bicycles and ride to the office just for fun. For the presentation, I’ll bring my own laptop and hook it up to their projector. Do you remember the capacity of their meeting room？ 

W: No, but I’ll check.

M: Just one more thing. I’ll pay everything with my own card, right? And I’ll submit my claims form afterwards. 

W: No problem. (15) [Just remember to keep all your receipts.] You remember the trouble you had last time?

M: Oh, don’t remind me.

15. What did the woman remind the man to do at the end of the conversation? （对话结尾，女士提醒男士做什么？）

解析：D。在对话结尾，女士提醒男士要记得留存所有收据（keep all your receipts），D项与此一致，故为正确答案。

错项排除：录音中虽然提到了submit claims form、pay everything with card和projector，但这些都不是女士提醒男士的内容，故其余三项均可排除。