单选题
While remembering mainly for the invention of the telephone, Alexander Graham Bell devoted his life tohelping the deaf. A. remembering B. for C. to D. helping the deaf
【正确答案】
A
【答案解析】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。