This is the biggest labwe have ever built in our university. A. whichB. whatC. thatD. Whe

问题补充：

This is the biggest labwe have ever built in our university.

A. which

B. what

C. that

D. Where

答案：

A. which

B. what

(答案→)C. that

D. Where

解析：题考察定语从句,先行词是the biggest lab,有最高级修饰先行词时,而且在定语从句中缺少宾语,定语从句用that引导,句意是:这是我们大学建的最大的实验室.选C.