I can't find Mr Smith.Where did you meet him this morning?

问题描述:

I can't find Mr Smith.Where did you meet him this morning?
--I can't find Mr Smith.Where did you meet him just now?
--It was in his office _____ he worked.
A.where B.which C.that D.the one
选A,为什么不选C,作强调句型

如果选c,可以构成强调句,但无法回答上面的问句.
如果把强调句还原,就变成了he worked in his office.