------Where did you first meet your boyfriend?
------It was in the department store he worked.
A. which
B. that
C. what
D. where
网友回答
A. which
B. that
C. what
(答案→)D. where
解析：考查从句，做从句时，首先看从句是否缺少成份，如果缺少成份，就选择关系代词；如果不缺少成份，就选择关系副词，从句he worked不缺少成份，先行词是department store，所以选D