单项选择题
A.引用传递B.被调函数直接访问主调函数中的局部变量C.指针传递D.值传递
A.void fun(char x,double y )B.char fun(char c,double d )C.char function(char a,double b )D.char fun(double x,char y )
A.void Area(double r){double s;s =3.14*r*r;return s;}B.double Area(){double s;s =3.14*r*r;return s;}C.double Area(double r){double s;s =3.14*r*r;return s;}D.double Area(double r){Area =3.14*r*r;}
A.int y =fun(\’5\’);B.int x =fun("5");C.int y =fun(5);D.int x =fun(fun(5));
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