F: Did you know that our host family is looking for a new roommate to live here with us? ,M: No, I didn't. ,F: I love meeting new people all the time, but living under the same roof and meeting new people are different matters. ,M: Yes, you're right, so what kind of person would you like as a roommate?
(A) F: That's true. It not easy to find a nice roommate. But we don't have such problem to worry about. (B) F: Since we both agree that finding a nice roommate is not easy, what's your opinions then? (C) F: Yeah, they are going to find two more roommates for us, I don't think it's necessary. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
B