He ran as fast as he could the people in trouble.A. to helpB. helpingC. helpedD. help

问题补充：

He ran as fast as he could the people in trouble.

A. to help

B. helping

C. helped

D. help

答案：

(答案→)A. to help

B. helping

C. helped

D. help

解析：句意：他跑的尽可能快的去帮助处于困难中的人们。to help 做目的状语。故选A。