It is uncertain side effect the medicine will bring about,although a

题目

It is uncertain side effect the medicine will bring about,although a
It is uncertain ______ side effect the medicine will bring about,although about two thousand patients have taken it.
A.that
B.what
C.how
D.whether
为什么不能选D捏 从句难道不能是倒装句?

答案

whether是“是否”的意思这里应该是选B,what.因为跟后面side effect 连起来,what side effect,一起表示“是什么副作用”整句话的意思是“虽然有两千多个病人服用的这个药,但是对于其带来的具体的什么副作用还是不明...