Mr Brown comes from either Oxford or Cambridge.I can;t remember ___.
问题描述：
Mr Brown comes from either Oxford or Cambridge.I can;t remember ___.
A.there
B.that
C.which
D.where
答
选C
这个which是指代Oxford 或Cambridge,实际上which后面省略以下成份：
...I can't remember which (university Mr Brown comes from)
由于这部分内容跟主句重复,因此将其省略以使句子简洁明了.