The building__all elder university teachers prefer looks so beautiful.
问题描述：
The building__all elder university teachers prefer looks so beautiful.
A.at which B.where
C.which D.in which
答
C
缺少的是宾语 先行词是the building
prefer the building,不加任何介词
这栋全大学年长的老师都喜欢的建筑看起来很漂亮