单项选择题

以下程序的输出结果是
#include<iostream.h>
void main( )
int x=1,y=3;
cout << x++ << ",";
int x=0;x+=y*2;
cout <<X <<"," <<y << ",";

cout << x <<","<< y;

A.1,6,3,1,3
B.1,6,3,6,3
C.1,6,3,2,3
D.1,7,3,2,3