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

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

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

答案选【B】
devote to是固定用法，to是介词，后边的动词用-ing形式
希望能帮到您。。。望采纳

你好，很开心为您解答
选B
devote one's time to(此句型中的to为介词） doing sth(翻译是：将某人的时间投入到干某事）
希望对您有用，祝您学习进步
望采纳谢谢