Why not the old women? They need us. A. helpB. helpingC. to helpD. helped

问题补充：

Why not the old women? They need us.

A. help

B. helping

C. to help

D. helped

答案：

(答案→)A. help

B. helping

C. to help

D. helped

解析：句意：为什么不帮助那些老人那？他们需要我们。Why not后面直接加动词原形相当于祈使句，类似的还有how about/what about+动词ing，表示征求建议的语气。根据题意故选A。