Did Mike finish his work?Yes he finished it very quickly and he did work.A. to

问题补充：

--- Did Mike finish his work?

--- Yes, he finished it very quickly, and he did work.

A. to do; hard

B. to do; easy

C. doing; excellent

D. doing; bad

答案：

A. to do; hard

B. to do; easy

(答案→)C. doing; excellent

D. doing; bad

解析：试题分析：句意：迈克完成他的工作了吗？是的，他很快就完成了，他做得很好。Finish dong sth做完某事，是一个固定用法。结合语境就可知该选C。