听句子，根据所听到的内容选择正确答语。每小题遍。 (     )1. A. Is that true? (     )2. A. You can't. (     )3. A. Really? (     )4. A. Are you Mark? (     )5. A. Any kind is okay. (     )6. A. I'm sorry. I have to study for my math test. B. That's right. B. Hold on, please. B. I think so. B. Nice to meet you. B. I'm not hungry. B. No, I'm not interested in any party. C. I'm sorry to hear that. C. Who are you? C. I'm glad you like it. C. I don't know you. C. I'd like some coffee. C. Happy birthday. I'm sure to come.