. ---Is Bob still performing? ---I’m afraid not. He is said the stage already as he has b

问题补充：

. ---Is Bob still performing?

---I’m afraid not. He is said the stage already as he has become an official.

A. to have left

B. to leave

C. to have been left

D. to be left

答案：

(答案→)A. to have left

B. to leave

C. to have been left

D. to be left

解析：