It was in the lab was taken charge of by Professor Harris they did the experiment.A. wh

问题补充：

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

A. which, that

B. that, where

C. whom, that

D. which, where

答案：

(答案→)A. which, that

B. that, where

C. whom, that

D. which, where

解析：考查定语从句和强调句型。第一空为非限制性定语从句，缺主语，故填that或which，第二空是强调句型部分，故填that，因此选A答案。句意：他们是在由Harris教授负责的那个实验室进行实验的。