若程序中定义了以下函数:double myadd(double a,double b){return (a+b);}并将其放在调用语句之
若程序中定义了以下函数: double myadd(double a,double b) {return (a+b);} 并将其放在调用语句之后,则在调用之前应该对该函数进行说明,以下选项中错误的说明是
A.double myadd(doublea,b);
B.double myadd(double,double);
C.double myadd(doubleb,double a);
D.double myadd(doublex,double y);