Hardly a month goes by without _____of another survey revealing new depths of scientific illiteracy among US citizens.A words B word C a word D the word 該選哪個(gè)答案，這句話應(yīng)該是什么意思？如能給予滿意回答，將感激之至！

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美國(guó)公民科盲日益嚴(yán)重，這種調(diào)查報(bào)告幾乎月月都有。這是個(gè)雙重否定的名子，答案應(yīng)該是B