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
网友回答
A. what was it that
(答案→)B. what it was that
C. how it was that
D. why it was that
解析：考查强调句的特殊疑问句做宾语从句：强调句的特殊疑问句结构为：疑问词＋is/was it that...？因为是做宾语，所以语序是陈述句语序，句意：每个人都知道，没人知道是人们阻止谣言传播的。选B。