补全对话 从方框中所给的选项中选择正确的句子补全对话。

A. How often should 1 take the medicine? B. Yes, I do. C. I have a bad cold. D. Good afternoon, young man. E. About two days.

 
A: Good afternoon, Doctor Huang.
B:           What’s wrong with you?        
A:                            
B: Do you have a cough?
A:            I cough now and then.     
B: How long have you been like this?
A:             And I’m feeling terrible now.
B: Let me check you over. Oh, you have a fever, too.
A: Is it serious?
B: Nothing serious. Take this medicine and drink more water.
A:              
B: Three times a day. Have a good rest and you’ll be all right soon.
A; Thanks a lot.
B: Not at all.