Lucy please stop me. My bike is broken. A. helpingB. to helpC. helpD. helps

问题补充：

Lucy, please stop me. My bike is broken.

A. helping

B. to help

C. help

D. helps

答案：

A. helping

(答案→)B. to help

C. help

D. helps

解析：stop 后接动名词表示停下正在做的事情，接不定式表示停下正在做的事情去做别的事情。从语境来看，我是要Lucy停下，来帮助我。