It was in the lab was taken charge of by Mr Harris they did the experiment.A. which; that

问题补充：

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

A. which; that

B. that; which

C. which ; where

D. that; who

答案：

(答案→)A. which; that

B. that; which

C. which ; where

D. that; who

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