请问这个是考宾语从句么?

问题描述:

请问这个是考宾语从句么?
The quantum theory states ( ),as light,is given off and obsorbed in definite units called quanata or photons.
A .energy that
b.that it is energy
c.it is energy
d,that energy
是不是选D?

是,选D,后面加的是一个宾语从句