Is this company you visited Mr. Wang last week?A. whichB. the one whereC. the one thatD.

问题补充：

Is this company you visited Mr. Wang last week?

A. which

B. the one where

C. the one that

D. that

答案：

A. which

(答案→)B. the one where

C. the one that

D. that

解析：考查定语从句。把此题改为肯定句为This company is you visited Mr. Wang last week.从中可看出缺少先行词，故填上the one ，从句中不缺少主语或宾语，故用关系副词where，所以选B。