The factory ____ the students visited last week is the one ____ I have worked for thee years．

The factory ____ the students visited last week is the one ____ I have worked for thee years.

A. that; which　　　　　　　 　 B. when; in which

C. /; where　　　　　　　 　　　 D. which; that

The factory ____ the students visited last week is the one ____ I have worked for thee years．

1. A.
   that; which
2. B.
   when; in which
3. C.
   /; where
4. D.
   which; that

The factory ____ the students visited last week is the one ____ I have worked for thee years．

A．that; which                     B．when; in which

       C．/; where                     D．which; that

The factory ____ the students visited last week is the one ____ I have worked for thee years．