M: Did you see the list of books for this course? W: Yes,the teacher expects us to get the first five on the list. M: Are you going to buy them? W: I don't know. These books are expensive. And I don't have a lot of money on me. M: How about sharing them with me? W: Sounds good. M: Let's do this. I will buy three and you buy two of them. W: I would rather do it this way: we pay fifty-fifty for the books now. M: And Then? W: At the end of the course you can take the books you like and I will take the ones I like. M: What if we both like the same books? W: Come on,we are not going to argue over that,are we? M: I was just joking. It's definitely a better idea. W: Then let's get the books as soon as possible., Question: How many books do they have to buy? (A) Four. (B) Six. (C) Five.
(B) Six.