单选题

13、 The factory ______ two years ago was equipped with the most advanced machinery.

A
where I worked there
B
which I worked
C
in which I worked
D
where I worked in
参考答案  
C
题目详解：
136****3830
根据which引导的从句而定，当从句中需要以in作介词时使用。
136****3830
equipped配备