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asastrong-mindedperson,hewasdeterminedtoovercomethedifficultiesbyhimself.A.KnowingB.KnownC.HavingknownD.Beingknown选哪个,为什么

题目详情
_________ as a strong-minded person,he was determined to overcome the difficulties by himself.
A.Knowing B.Known C.Having known D.Being known选哪个,为什么
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答案和解析
选B.known这是过去分词做状语,表示被动和完成.
以意志坚强为人所知,他决定独立克服困难.