It was not until recently ___ any idea about that.

It was not until recently ___ any idea about that.

题目
It was not until recently ___ any idea about that.
A.that did I have
B.when I have
C.did I have
D.that I had
为什么?其他几个为什么不可以?
答案
这是强调结构句It is/was+被强调部分 + that - 从句 被强调的是【not until recently 】还原:I didn't have any idea about that until recently .我知道最近才知道那件事 在被强调部分是状语时,后面从句只能用that...
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