It is a reason ___ l have been waiting for for over ten years ,though I know it can be a made-up one

题目

It is a reason ___ l have been waiting for for over ten years ,though I know it can be a made-up one.
A.why B.for which C.what D.that 把理由讲一下,

答案

选择D 强调句式 it is...(强调部分)...that...（剩下部分顺序书写）.
这就是我等了这么多年等到的理由,尽管我知道它有可能还是个编造的理由.