【正确答案】 B

【答案解析】[听力原文]14-17 M: Babar Jason? W: Yes. M: Hello, I'm Doctor Johnson. What's the problem? W: I keep getting these headaches lately. And my nose usually gets stuffed up. M: Are you eating properly? W: Sure, I don't eat fast food. I eat three square meals a day. M: You might be coming down with the virus. W: To tell you the truth, this has been going on for over a month. My school grades are suffering because my mind is always on my health. M: Well, do you have pets? W: My roommate has a cat. M: Ah, it may be the cat. W: Come to think of it. She did get the cat about a month ago. M: All right, I'd like you to fill out this medical history form. I'm going to give you some tests. Have you ever had any? W: At least not what I can remember. M: We'll schedule you for the test right away. Then we'll be able to get to the bottom of this ting. W: But if it turns out to be the cat, I'll have a hard time persuading my roommate to get rid of it. She is crazy about that eat. M: Well, then you may have to get rid of both of them.