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ItwasinthelabwasinthechargeofprofessorSmiththeexperimentwascarriedout.[]A.that;whereB.where;thatC.that;thatD.that;which

题目详情
It was in the lab _____ was in the charge of professor Smith _____ the experiment was carried out.
[     ]
A. that; where
B. where; that
C. that; that
D. that; which
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答案和解析
C