Is this the factory you visited last week?A. thatB. the oneC. whereD. in which

问题补充：

Is this the factory you visited last week?

A. that

B. the one

C. where

D. in which

答案：

(答案→)A. that

B. the one

C. where

D. in which

解析：考查定语从句。句中先行词为the factory，在从句中作宾语，故用关系代词that，选A。