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

问题描述:

.( )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

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