单选题 有以下程序：
# include ＜stdio.h＞
main()
{ struct node{int n; struct node *next;} *p;
struct node x[3]={2,x+1},{4,x+2},{6,NULL}};
p=x;
printf("%d,",p-＞n);
printf("%d/n",p-＞next-＞n);
}
程序运行后的输出结果是______。