A brilliant idea occurred to him.___to his research in the lab.

问题描述:

A brilliant idea occurred to him.___to his research in the lab.
A.while dovoting B.while devoting himself C.while he was devoted D.while devoted
我想知道为什么 又人说 B选项改为while he was devoting对吗?
不对 我写错了 是吧C选项后的 devoted改为devoting 我基础不好

对的.
应该有he的,否则后一个分句没有主语了.
while当……,所以用进行时.
总之就是while he was devoting
while的意思是:当……时候,表示一段时间内,
这里的意思是:当他在实验室研究的时候,他突然灵光一闪想到了一个绝妙的主意.
表示一段时间内正在进行,也要用现在进行时.