题目内容

按照ENA－13条码的规定是（）。

A. 国家的代码由二位数字组成，制造商代码由四位数组成，商品代码由六位数字组成，校验码由以为数字组成
B. 国家的代码由三位数字组成，制造商代码由三位数组成，商品代码由六位数字组成，校验码由一位数字组成
C. 国家的代码由三位数字组成，制造商代码由五位数组成，商品代码由四位数字组成，校验码由一位数字组成
D. 国家的代码由三位数字组成，制造商代码由四位数组成，商品代码由五位数字组成，校验码由一位数字组成

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