Don’t call me at three to four o’clock this afternoon. I the patient at that time.A. am tr

问题补充：

Don’t call me at three to four o’clock this afternoon. I the patient at that time.

A. am treating

B. have treated

C. will treat

D. will be treating

答案：

A. am treating

B. have treated

C. will treat

(答案→)D. will be treating

解析：本题考查时态。根据时间状语at three to four o’clock this afternoon今天下午3点到四点，故事情未发生，再根据at that time在那时，故用将来进行时。