题目内容：

the man has devoted much of his time ( )South China tiger.
A.to protect B.to protecting C.protected D.protects

优质解答

B.to protecting
devote time to doing sth.把时间投入到做某事当中/致于力做某事
句意:那个人把他的大部分时间投入到保护华南虎的事业中.