While A(remembering) mainly B(for) the invention of the telephone, Alexander Graham Bell devoted his life C(to) D(helping the de

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问题 While A(remembering) mainly B(for) the invention of the telephone, Alexander Graham Bell devoted his life C(to) D(helping the deaf).

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答案A

解析 应改为remembered。根据主句主语Alexander Graham Bell和remember一词的逻辑关系,应该是被动关系,故改为过去分词remembered。
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