单项选择题

以下程序的输出结果是( )。   #include<iostream.h>   voidmain( )   {intx=1,y=3;     cout<<X++<<",";     {intx=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