听句子,选出该句的最佳答语。 ( )1. A. They're over there. ( )2. A. You're welcome. ( )3. A. How are you? ( )4. A. Yes, they do. ( )5. A. Have you seen him? B. No, it isn’t. B. I’m sorry to hear that. B. What about you? B. Yes, they are. B. No, he doesn’t. C. It’s over there. C. Thank you very much. C. Very well, thank you. C. Yes, they have. C. I have only one pair of glasses.