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    14．When asked what original intention led them to volunteer，about half of___ said they were willing to devote themselves．（　　）
    A．whomB．whoseC．themD．who

    分析 当被问起最初是什么意图导致他们去做志愿者时，他们中的一半人说他们愿意奉献．

    解答 答案是C．本题考查句子结构；逗号前面为省略的状语从句，故逗号后面为主句，不需要引导从句的引导词；故排除A、B 和D，答案选C．

    点评 理清英语中句与句之间的基本结构：并列连词和"分号"指向并列关系；从句引导词说明是"从属关系"；然后结合具体语境分析．

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