--Where did you first meet your boyfriend?
---It was in the department store he worked.
A. which
B. that
C. where
D. what
网友回答
A. which
B. that
(答案→)C. where
D. what
解析：考查定语从句和强调句型。补充完整是It was in the department store he worked that I first met my boyfriend.定从 he worked的先行词是the department store，从句缺地点状语，所以选C, where。