Everyone should do something wild animals.A. to protectB. protectingC. protectD. to prote

问题补充：

Everyone should do something wild animals.

A. to protect

B. protecting

C. protect

D. to protecting

答案：

(答案→)A. to protect

B. protecting

C. protect

D. to protecting

解析：句意：每个人都应该做点什么来保护野生动物。动词不定式做宾语补足语表示具体的将要进行的动作，结合语境可知选A。