18．Carol said the work would be done by October，_______ personally I doubt very much．（　�。�
A．whatB．whenC．whereD．which

分析 Carol說十月前需完成工作，個人表示非常懷疑．

解答 答案：D
分析句子結(jié)構(gòu)，逗號前為主句，空白處為非限制性定語從句，主語為I，doubt動詞缺少賓語，所以用which，代指前面整個句子，即"十月前需完成工作"．

點評 本題考查非限制性定語從句，考生需先對句子結(jié)構(gòu)分析，判斷定語從句缺少什么成分在結(jié)合先行詞判斷關(guān)系代替的選用．

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