—When did you meet him?
—It was on the day his house was broken into.
A. that
B. which
C. when
D. in which
网友回答
A. that
B. which
(答案→)C. when
D. in which
解析：考查定语从句与强调句型。本题实际是定语从句和强调句型的结合。定语从句When his house was broken into修饰先行词the day.后面还省略了强调句型的后半句that I met him.句意：—你在哪里遇见他的？—就是在他的房子被闯入的那一天我遇见了他。