Many questions have been raised on whether the experiments were conducted______.

游客2025-06-14  3

问题 Many questions have been raised on whether the experiments were conducted______.

选项 A、exclusively
B、properly
C、merely
D、potentially

答案 B

解析 词汇:副词1.这是一道词汇题,选项均为副词。2.exclusively意为“唯一地、专有地”,与语义不符。3.原文意思是“实验被质疑是否顺利进行”,因此(B)为正确选项。
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