SECTION A CONVERSATIONS
Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.
听力原文：W: OK. So let's go through the travel details again. Two adults, eight days in Britain from April 26th to May 3rd (Q1), flying from Beijing to London, and back with Air China, and you're in a double room.
M: Yes, that's right. Umm, do you know what the flight times are？
W: The outward flight from Beijing is, ur. . . let me see, yes, ten thirty in the morning, and the return is, I think it's early evening, yes, seven fifteen, fifteen past seven in the evening, local time, that is (Q1).
M: Right, that's fine. Oh, sorry. I can't remember what else you include in the price, apart from the air-tickets. Is it all meals or just breakfast？
W: Yes, it's full board, so all meals, and transport from the airport to your hotel. Everything is included (Q2).
M: Good!
W: Now, can you tell me if you need travel insurance？
M: Yes, yes, we do.
W: OK. Well, that's an extra three hundred yuan each, is that OK？
M: Well, there is no choice, is there？ I mean we have to have it, don't we (Q3) ？
W: Yes, I'm afraid so.
M: Well, all right, then.
The following details have been checked during the conversation EXCEPT ______.

A. number of travelers.
B. number of tour days.
C. flight details.
D. room services.