Starfish, with anywhere from five to eight arms, have a strong regenerative ability, and if one arm is lost it quickly replaces it, sometimes by the animal overcompensating and growing an extra one or two.
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Aone arm is lost it quickly replaces it, sometimes by the animal overcompensating and
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B one arm is lost it is quickly replaced, with the animal sometimes overcompensating and
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Cthey lose one arm they quickly replace it, sometimes by the animal overcompensating,
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Dthey lose one arm they are quickly replaced, with the animal sometimes overcompensating,
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Ethey lose one arm it is quickly replaced, sometimes with the animal overcompensating,
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正确答案: B