— Is your father a doctor in No.2 Hospital?—No he a farmer and now he is a driver.A. is

问题补充：

— Is your father a doctor in No.2 Hospital?

—No, he a farmer and now he is a driver.

A. is used for

B. is used to being

C. used to being

D. used to be

答案：

A. is used for

B. is used to being

C. used to being

(答案→)D. used to be

解析：句意：你爸爸是二医院的医生吗？不是，他以前是个农民，现在是个司机。短语used to be 曾经是……; A 被用作……；B适应于；结合题意故选D。