Near the river once_____a tall red building_____windows face south.

题目

Near the river once_____a tall red building_____windows face south.
A.stands,which B.stood,whose C.was standing,that D.stood,its

答案

B
句子意思是:这里以前有一座窗子朝南的红色楼房.
既然用了once就是"曾经,以前"的意思,所以用过去时stood.后一个空是状语从句,补充说明后面的windows.