I can not find Mr.Smith. Where did you meet him this morning ? It was in the office____he worked

题目

I can not find Mr.Smith. Where did you meet him this morning ? It was in the office____he worked
A:where B:which C:that D:the one

答案

B.这是一个强调句,强调in the office.如果没有in 的话,就选A.
在某些句子中 in which = where