---Do you know won high click rate in micro-blogs?
---It was the teachers’ wonderful chorus in the New Year’s gala.
A. what is it that
B. which is it that
C. which it was that
D. what it was that
网友回答
A. what is it that
B. which is it that
C. which it was that
(答案→)D. what it was that
解析：考查强调句。强调句强调特殊疑问词时，其结构为“特殊疑问词+ was + it + that…”，这题是对主语提问用疑问词what，当疑问句变为宾语从句后要用陈述语气，即“连接词+ it + was + that…”，句意：--你知道是什么赢得微博的高点击率的？是老师们在新春联欢会上的精彩的合唱。--故B项正确。