听句子,选出该句的最佳答语。 ( )1. A. Here you are. B. Thanks a lot. C. See you tomorrow. ( )2. A. That's all. Thank you. B. I'm afraid I can't. C. What beautiful flowers! Thank you. ( )3. A. Glad to see you. B. I'm sorry to hear that. C. It doesn't matter. ( )4. A. Not at all. Nothing serious. B. Don't worry. You can do it well next time. C. No problem. We can wait for you. ( )5. A. Hold on, please. B. My name is Brown. C. I don't like him.