Could it be in the room___ we had a talk last night __ you left your keys?

问题描述:

Could it be in the room___ we had a talk last night __ you left your keys?
A.that;where B in which;where C where;that D where;where
请问we had a talk last night 是一个完整的句子,所以用关系复词吗?
后面的理由?

SHI