People think that the pure scientist usually disregards the application of pure science to practical affairs, ______ his attenti

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问题 People think that the pure scientist usually disregards the application of pure science to practical affairs, ______ his attention to explanation of how and why events occur.

选项 A、refining
B、defining
C、confining
D、declining

答案C

解析 confining是分词短语作状语,补充说明情况。原形意思“限制于……”;refining原形意思“精练”;defining原形意思“下定义”;declining原形意思“衰落,婉言拒绝”。根据句子意思,排除其他三项。
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