口语运用: 根据对话，从方框中选出能填入空白处的最佳选项补全对话。
A: What’s the matter, lady?
B:         I can’t do any work, doctor.
A: Do you have a cough?
B: No, I don’t have a cough.
A:     
B: Yes, I sleep very well.
A: Do you have breakfast every morning?
B: No, I don’t have breakfast and I have only a little food for lunch and supper because I want to keep thin.
B: Oh, I see.         You need to eat more food and have three meals a day.
A: OK, doctor.     
B:    
A: Thanks.