In some species of cricket, the number of chirps per minute used by the male for attracting females rise and fall in accordance with the surrounding temperature, and they can in fact serve as an approximate thermometer.
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Afor attracting females rise and fall in accordance with the surrounding temperature, and they can in fact serve
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Bfor attracting females rises and falls in accordance with the surrounding temperature, which can in fact serve
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Cin attracting females rise and fall in accordance with the surrounding temperature, in fact possibly serving
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Dto attract females rises and falls in accordance with the surrounding temperature, and it can in fact serve
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Eto attract females rises and falls in accordance with the surrounding temperature, in fact possibly serving
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正确答案: D