下列是重载乘法运算符的函数原型声明，其中错误的是 ( )。

A．MyClass operator * (double, double);

B．MyClass operator * (double, MyClass);

C．MyClass operator * (MyClass, double);

D．MyClass operator * (MyClass, MyClass);

Which of the following is NOT a form of wage erosion

Which of the following is NOT a form of wage erosion
A．Pay cuts.
B．Pay freezes.
C．Bonus reduction.
D．Job-hopping.

A．Pay cuts.

B．Pay freezes.

C．Bonus reduction.

D．Job-hopping.