The man needed for one of his legs was badly injured.A. to look after B. looking afterC.

问题补充：

The man needed for one of his legs was badly injured.

A. to look after

B. looking after

C. look after

D. being looked after

答案：

A. to look after

(答案→)B. looking after

C. look after

D. being looked after

解析：考查非谓语动词。句意：因为他的一条腿严重受伤了，这个男人需要照顾。动名词作宾语表示抽象动作，need接动名词本身即可表示被动含义，故不用被动语态。结合语境可知选B。