Is it that you often play computers games __worries your parents?

题目

Is it that you often play computers games __worries your parents?
A.why B.that C.which D.what

答案

原句是：
that you often play computers games (主语从句）worries（谓语） your parents（宾语）
强调结构句句型是：
It is + 被强调部分+ that-从句
这样可见：被强调的是原句主语