China nowadays is no more ____she used to be.A.as B.which C.that D.what请把理由说清楚,

问题描述:

China nowadays is no more ____she used to be.
A.as B.which C.that D.what
请把理由说清楚,

D.what
what 作to be.
的表语

What she used to be 是what引导的标语从句

"what" 代表着“the thing China uesd to be”,特殊句式