Guests were_____into the few remaining rooms.

问题描述:

Guests were_____into the few remaining rooms.
A.crowded B.croppde C.filled D.gathered

答案是D.这句话的意思是“客人们都被集中到剩下的为数不多的房间里”.由于此处明显是i一个被动语态,所以横线上应该是一个动词.