Scientists believe that unlike the males of most species of moth, the male whistling moths of Nambung, Australia, call female moths to them by the use of acoustical signals, but not olfactory ones, and they attract their mates during the day, rather than at night.
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Aby the use of acoustical signals, but not olfactory ones, and they attract
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Bby the use of acoustical signals instead of using olfactory ones, and attracting
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Cby using acoustical signals, not using olfactory ones, and by attracting
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Dusing acoustical signals, rather than olfactory ones, and attract
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Eusing acoustical signals, but not olfactory ones, and attracting
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正确答案: D