After the war,a new school building was put up ________there had once been a theatre.

问题描述:

After the war,a new school building was put up ________there had once been a theatre.
A.that B.where C.which D.when
最好告诉我理由a new school 是先行词吗?

in which 或者 where都可以.这个和编程貌似没关的.