有以下程序} struct s { int x,y; } data[2]={10,100,20,200};} main( )} { struct s *p=da

有以下程序}

struct s

{ int x,y; } data[2]={10,100,20,200};}

main( )}

{ struct s *p=data;}

printf("%d\n",++(p-＞x));}

程序运行后的输出结果是

A．10

B．11

C．20

D．21