With so many friends me, I had no difficulty finishing the work on time.
A. to help
B. helped
C. helping
D. have helped
网友回答
A. to help
B. helped
(答案→)C. helping
D. have helped
解析：考查with 的复合结构，so many friends 与help 之间是主动关系，所以用现在分词，句意：有许多朋友帮助我，我按时完成工作就没困难了。所以选C。