题目内容

下面关于运算符重载的描述错误的是( )。

A. 运算符重载不能改变操作数的个数、运算符的优先级和结合性
B. 不是所有的运算符都可以重载
C. 运算符重载函数的调用必须使用关键字operator
D. 在C++语言中不可通过运算符重载创造出新的运算符

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