So _____ in the darkness that he didn't dare to move an inch.

A．he was frightened

B．was he frightened

C．frightened he was

D．frightened was he

下面属于相关需求的是（）。

A．新建一座办公楼所需的采购

B．一个汽车制造厂对引擎的需求与该厂生产汽车的销售情况相关

C．A、B都是

D．A、B都不是