The kind lady devoted all her life to those homeless children. A. helpB. helpingC. be hel

问题补充：

The kind lady devoted all her life to those homeless children.

A. help

B. helping

C. be helping

D. being helped

答案：

A. help

(答案→)B. helping

C. be helping

D. being helped

解析：句意：这位善良的女士把她的一生都用来照顾那些无家可归的孩子们。devote…to把……献于，这里to是介词，所以后用动名词，故选B。