She reached the top of the hill and stopped on a rock by the side of the path.A. to have

问题补充：

She reached the top of the hill and stopped on a rock by the side of the path.

A. to have rested

B. resting

C. to rest

D. rest

答案：

A. to have rested

B. resting

(答案→)C. to rest

D. rest

解析：此处表示目的，用不定式形式。