F: Good morning, young man. What's your name, please? ,M: My name is Zhang Ming. I'm 12 years old now. Can you introduce your doctors? ,F: We doctors in this hospital fly to different poor places. People with eye problems can come to us. We give medicine to the poor or do operations on them free.
(A) M: Wow, the books in this library are so interesting! (B) M: That's great! I need the doctors in this hospital. (C) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) M: Yes, I have a fever and I want to buy some medicine.
B