听句子，选择正确的答语。 (     )1. A. You can. (     )2. A. There are many animals (     )3. A. It means you can't ride bikes (     )4. A. You can cross the road. (     )5. A. OK..Let's go B. Yes, you must B. I can see many animals B. It means you can't take photos. B. You can't cross the road. B. Why not? C. Yes, you may C. We are looking at the signs C. It means you can't eat snacks here. C. You can play games in the street C. Thank you