题目内容：

根据对话内容，从方框内所给的选项中选出最佳选项。选项中有两项是多余项。

Rita and Lisa are at home. Rita is surfing the Internet and Lisa is reading a book.

Rita: Hi, Lisa.1.

Lisa: Yes, of course. I really want some cheap film tickets. There is a new film in the theater now. 2.

Rita: Forty yuan for one ticket.

Lisa: 3.Usually one ticket is about 100 yuan.

Rita: Yeah, it’s the usual price. But, here, on this group-buying website, it’s much cheaper.

Lisa: Let me see. (Come to the computer.) Yes, it’s true!

Rita: Now, many of my friends buy film tickets on this website.

Lisa: Just now you said “group-buying”. 4.

Rita: It’s “B2T”-Business to Team. In B2T, we can get bulk discounts(大幅优惠)

Lisa: So we can save a lot of money! 5.

Rita: That’s right. How many tickets do you want? We’d better hurry, for the tickets will sell out very soon.

Lisa: I want four tickets! Thank you very much.

Rita: You’re welcome.

A: What is it? B: How much is one ticket? C: Are you kidding me? D: Do you want to buy any cheap film ticket? E: There are many rules for us. F: We have to come up with new ways to solve the problem. G: It’s really a good idea to go group-buying.