－Have you finished your homework?－Yes I have. I it this morning.A. finishB. finishesC. fi

问题补充：

－Have you finished your homework?

－Yes, I have. I it this morning.

A. finish

B. finishes

C. finished

D. have finished

答案：

A. finish

B. finishes

(答案→)C. finished

D. have finished

解析：句意：你完成你的作业了吗？——是的，我完成了。我今天早晨完成的。结合语境可知下文描述的是过去某时发生的动作，故用一般过去时态。选C。