A、Four nights. B、Seven nights. C、Twelve nights. D、Two weeks. B根据原文可知，女士预订的酒店房间是双人间，住7晚。因此答案为B。

M: Madam, can I help you?
W: Yes. I’d like to book two seats to Alicante on a flight leaving this evening, please. Ms There aren’t any direct flights, madam. You’ll have to change in Madrid.
W: That’s all right.
M: There’s a flight leaving Heathrow this evening at 6:10.
W: So I first fly from Heathrow to Madrid, and then fly from Madrid to Alicante?
M: Yes, you’re right. And there are two seats available on the flight leaving Heathrow.
W: Fine.
M: I’ll just check the connecting flight. Mm… I am afraid all seats on the connecting flight have been booked for tonight.
W: Would you find another flight?
M: Sure. I’ll check tomorrow’s flight.
W: Thank you. My friends are already there. I hope to meet them earlier.
M: I see. Well, the next one is tomorrow morning, leaving Madrid at 11:40.
W: All right, in that case, can you reserve two seats on the flight from Heathrow tonight, with the connection tomorrow morning?
M: Certainly. What’s your name, please?
W: Mary Davis and my husband John Davis.
M: OK. Two seats for Mr. and Mrs. Davis on Flight BE486, leaving Heathrow at 6:10 tonight.
W: OK. Flight BE486. Tonight.
M: And two seats on Flight IB240 to Alicante, leaving Madrid at 11;40 a.m. tomorrow.
W: OK. Flight IB240 to Alicante tomorrow morning.
M: Has Mr. Davis got a number where we can contact him if necessary?
W: Yes. His office number is 5426378.
M: OK. 5426378. The tickets should be collected at least forty-five minutes before departure (出发) this evening, madam.
W: All right. Thank you very much.
M: You are welcome. Can I help you with anything else?
W: Yes, I’d like to book a hotel room in Alicante, for the full five nights. We can’t wait to see the beautiful beach there. Could you check if the Amerigo Hotel has any rooms free tomorrow?
M: Yes. What kind of room would you like, Mrs. Davis? They have single rooms, double rooms, standard rooms, suites and deluxe suites (豪华套房). They are all available.
W: A double room, please. And is there a discount rate for a week or more?
M: Let me check. Yes, there is a 5％ discount for a week, and 12％ for 2 weeks.
W: All right. Then I will take a double room for a week.
M: OK. A double room for 7 nights.
W: How do I contact them?
M: I’ll give you their phone number. It’s 6017895.
W: Thanks a lot.
M: You are welcome. Have a nice trip.
W: Thanks. Goodbye.
M: Goodbye.
1. Why does the woman have to change her flight in Madrid?
2. Which flight from Madrid to Alicante will the woman take?
3. When should the woman collect the tickets?
4. What may be the couple’s purpose of flying to Alicante?
5. How long would the couple stay in Alicante?