I a worker but now I am an actor.A. used to beB. used to beingC. was used to beD. was us

问题补充：

I a worker, but now I am an actor.

A. used to be

B. used to being

C. was used to be

D. was used to being

答案：

(答案→)A. used to be

B. used to being

C. was used to be

D. was used to being

解析：本题的含义是我曾今是一名工人，但现在我是一名演员。在英文中used to+动词原形，可表示过去，意思为曾今，故本题选A。