People at the party worried about him,because no one was aware ____ he had gone.A、 of where  B、 of the place where&

问题描述:

People at the party worried about him,because no one was aware ____ he had gone.A、 of where  B、 of the place where  C、 where  D、 the place 

选A,be aware of后跟一个宾语从句,由where引导的宾语从句!