It was in the lab ­ was taken charge of by Pro. Harris they did the experiment.A. whi

问题补充：

It was in the lab ­ was taken charge of by Pro. Harris they did the experiment.

A. which; where

B. that; which

C. whom; that

D. which; that

答案：

A. which; where

B. that; which

C. whom; that

(答案→)D. which; that

解析：考查含有定语从句的强调句型，第一空考查的是定语从句，从句中缺少主语，故用关系代词that/which，第二个空that为强调句型的标志。句意：就是在由Pro. Harris负责的实验室里他们做的实验。故选D。