In order to jump, your body changes the chemical energy in the food you have eaten into

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A. being stored
B. storing
(答案→)C. stored
D. having been stored
解析：答案：C　考查非谓语动词。句意为：为了完成跳跃，你的身体会把储存在你吃入的食物中的化学能转变成机械能。空格处作后置定语，与其逻辑主语之间是被动关系，所以应用过去分词。A项为现在分词一般式的被动语态，D项为现在分词完成式的被动语态，均可排除。故选C项。