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It ’s well-known that ________ information is very important to businessmen.
A.having collected B.collectingC.collectedD.collect
B
考查动名词做主语,谓语动词用单数,此题中It为形式主语,真正的主语是that后面的从句。句意:收集信息对商人来说是非常重要的这个大家都知道。故选B。
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