单项选择题

M: Hello. I’d like some information about your trips to Paris.
W: Yes, of course. What can I do for you
M: Well, how do we travel
W: It’s a new coach with a washing room and ...
M: And, er, how many people in a group
W: Well, usually about 40 travelers, a driver and a guide to look after you.
M: Er, um ... we leave from, from Amsterdam
W: Yes, and return to Amsterdam.
M: Is there anything special we’d have to bring
W: Oh, we give everyone a list of suitable clothes, etc, to bring. Of course, the space is limited.
M: Oh, yes. How long in advance would I have to book
W: Well, it depends. Usually six to eight weeks.
M: Well, I am interested in the four-day trip in mid-August. It will be for two people.
W: That’d be fine. Could you come in and we can go over all the details
M: Yes. But can you give me some idea of how much that’ll cost
W: Um, we haven’t got the exact figures at the moment, but, er, something like 250 Euro per person.
M: OK. Um, I’ll come and see you one day next week.
W: Yes. Thank you for ringing.
M: Thank you. Bye.
W: Bye.

According to the woman, how long should the man book the trip in advance()

A. Six to eight months.
B. Seven to eight months.
C. Seven to eight weeks.
D. Six to eight weeks.