I have to see the doctor this afternoon because I a lot lately.A. have been coughingB. h

问题补充：

I have to see the doctor this afternoon because I a lot lately.

A. have been coughing

B. had coughed

C. coughed

D. cough

答案：

(答案→)A. have been coughing

B. had coughed

C. coughed

D. cough

解析：句意：今天下午，我要去看医生。因为最近，我一直在咳嗽。表示动作从过去某一时间开始一直延续到现在，用现在完成进行时，选A。