___ he said so at the meering ,made everyone present surpris

___ he said so at the meering ,made everyone present surprise.选答案that ,what ,when ,\ 哪一个
____ he said so at the meeting made everyong present surprised.
此题选哪个答案?A.That B.What C.When D.\
Was it not until you began to work _______ how much time you had waste?
A.did yu realize B.that you realized C.did you not realize D.that you did not realize
此题选哪个答案？

A.That
有so,就是有了他说的内容了,所以排除what
用when的话,后面就缺主语了
这是一个从句,不会空着不填
综上所述,选A.That