下列函数原型声明中错误的是______。A.void Fun (int x=O,int y=O);B.void Fun(int x,int y);C.void Fun(int x,int y=0);D.void Fun(int x=0,int y);

下列函数原型声明中错误的是______。

A.void Fun (int x=O,int y=O);

B.void Fun(int x,int y);

C.void Fun(int x,int y=0);

D.void Fun(int x=0,int y);


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