题目内容

下面关于C++语言变量的叙述错误的是()

A. 自动变量和外部变量的作用域为整个程序
B. 外部静态变量的作用域是定义它的文件
C++语言中变量分为auto,static,exten和register四种存储类型
D. 内部静态变量的作用域是定义它的函数

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