维生素C(C 6 H 8 O 6 )主要存在于蔬菜和水果中,它能促进人体生长发育,增强人体对疾病的抵抗力。近年来,科学家发现维生素C有防癌作用。下列关于维生素C的说法中错误的是()。
A.
维生素C是氧化物
B.
维生素C由6个碳元素、8个氢元素、6个氧元素组成
C.
维生素C中C、H、O三种元素的质量比为9:1:12
D.
青少年吃蔬菜水果,切忌偏食
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