How was ____ you succeeded in climbing up to the top of the mountain?

题目

How was ____ you succeeded in climbing up to the top of the mountain?
A.it that B.this that
C.the matter that D.the condition where
这里为什么选A啊

答案

这是一个很典型的强调句型的题目,其结构是：it is/was+被强调部分+that/who+其他（这个句型主要适用于除了谓语动词之外其他句子成分的强调）
我们把LZ的这个问题转变一下加点东西,加上状语by rope.
You succeeded in climbing up to the top of the mountain by rope.
如果对这个句子中的by rope方式状语进行强调的话就变成了：
It was by rope that you succeeded in climbing up to the top of……
再接着变化,对上面的这个句子by rope进行划线部分提问,不难选出应该用how表示方式,所以就成了下面的这个句子：
How was it that you succeeded in climbing up to the top of the mountain?
不知道这样讲解LZ能不能理解,希望我的讲解能带给你一些帮助,