题目内容：

He wanted to know____
A;whether he speaks at the meeting
B.when the meeting would start
C.what he's going to do at the meeting
D.where would the meeting be held
为什么要选B?

优质解答

连词之后加主语,所以可以排除D,
whether之后有肯定和否定,A没有否定,排除A
what是什么的意思,整句意思不通顺,排除C
选B