【单选题】【消耗次数：1】
维生素C又名（ ）。
①
硫胺素
②
胡萝卜素
③
抗坏血酸
④
叶酸
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胡萝卜素与蔬菜的其它色素共存，凡绿色、红色、橙色和紫色蔬菜中都含有胡萝卜素，其中( )中胡萝卜素含量尤其丰富。
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