he left the room.A. Finishing the workB. Had finished the workC. After finished the work

问题补充：

, he left the room.

A. Finishing the work

B. Had finished the work

C. After finished the work

D. Having finished the work

答案：

A. Finishing the work

B. Had finished the work

C. After finished the work

(答案→)D. Having finished the work

解析：分词作状语，表示主动和完成，用having done。