.（ ）to his reserch work ,the professor cared little about any other things.

题目

.（ ）to his reserch work ,the professor cared little about any other things.
A.Devoting B.Devoted
C.Habing devoted D.To devote 为什么选B不选A

答案

前后主语一致啊,主语是the professor,那the professor是is devoted to,就像是I am excited.It is exciting.这个总归知道的咯.所以就是B