Raw material is ________A、that we are in need of B、that being in need of C、what being in need of D、what we are in need of

问题描述:

Raw material is ________
A、that we are in need of
B、that being in need of
C、what being in need of
D、what we are in need of

选D
这句话可以看成 what we are in need of is raw material.我们说需要的是原料.这是what引导的表语从句.