600//oo of those ______ in the research thought the noise levels of the traffic

游客2025-07-25 2

问题 600//oo of those ______ in the research thought the noise levels of the traffic had increased.

选项 A、questioning
B、questioned
C、question
D、to question

答案 B

解析考查动词的非谓语形式。非谓语动词有三种形式：不定式to do(含目的和将来义)、现在分词-ing(表示动作由主语发出)和过去分词-ed(含被动义，即主语是动作的承受者)。由于those是动作question(询问)的承受者，故要用其过去分词形式。

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600//ooofthose______intheresearchthoughtthenoiselevelsofthetraffic