题目内容:
在下面的运算符重载函数的原型中,错误的是A.Volume operator-(double,double);
B.double Volume::operator-(double);
C.Volume Volume::operator-(Volume);
D.Volume operator-(Volume,Volume);
参考答案:
A.Volume operator-(double,double);
B.double Volume::operator-(double);
C.Volume Volume::operator-(Volume);
D.Volume operator-(Volume,Volume);