Question

.a,tal,what,boy is,hes

(what)he said at the meeting is very important,so please keep it in mind,A:what B:That C:Which
(what)he said at the meeting is very important,so please keep it in mind,
A:what B:That C:Which
为什么选what?

Answer 1

(what)he said at the meeting在这个句子中是个主语从句,what 在这个主语从句既要作主语从句的引导词,又要作said 的宾语,也就是要作出2 个成分,所以只能选A.that /which的用法如下
That he is a good boy is known to us all.
Do you know which book is mine?
I don't know what you want.
/