It was in the factory producced TV sets our friend was murdered.A. which ; whichB. that ;

问题补充：

It was in the factory producced TV sets our friend was murdered.

A. which ; which

B. that ; which

C. that ; that

D. where ;that

答案：

A. which ; which

B. that ; which

(答案→)C. that ; that

D. where ;that

解析：考查定语从句。当先行词指物时，限定性定语从句中可以使用which和that。当前面已有其它引导词时，后面的引导词只能使用that。根据先行词前一空引导指代前文整句话内容，故引导词用that，故选C。