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请问这个是考宾语从句么?Thequantumtheorystates(),aslight,isgivenoffandobsorbedindefiniteunitscalledquanataorphotons.A.energythatb.thatitisenergyc.itisenergyd,thatenergy是不是选D?

题目详情
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?
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答案和解析
是,选D,后面加的是一个宾语从句