问题:
Everybody knows about it! No one knows _________ prevented the rumor from spreading.
A.what was it that
B.what it was that
C.how it was that
D.why it was that
Everybody knows about it! No one knows _________ prevented the rumor from spreading.
A.what was it that | B.what it was that |
C.how it was that | D.why it was that |
参考答案: