With so many friendsme I had no difficulty finishing the work on time.A. to helpB. helped

问题补充：

With so many friendsme, I had no difficulty finishing the work on time.

A. to help

B. helped

C. helping

D. have helped

答案：

A. to help

B. helped

(答案→)C. helping

D. have helped

解析：这里friends与help之间是主动关系，故用helping.