He still kept on ____ when I came into his room .

题目

He still kept on ____ when I came into his room .
A.sitting in a chair B.lying in bed C.dancing to the music
为什么选C,选项C是什么用法?

答案

C
因为A,B选项中的sit,lie 均属状态动词,而keep on 是不能接站,坐,躺,睡等状态动词,只能接动作动词的