有下列程序：

#include<stdio.h>

main()

{

    FILE*fp;int k,n,a[6]={1,2,3,4,5,6};

    fp=fopen("d2.dat","w");

    fprintf(fp,"%d%d%d\n",a[0],a[1],a[2]);

    fprintf(fp,"%d%d%d\n",a[3],a[4],a[5]);

    fclose(fp);

    fp=fopen("d2.dat","r");

    fscanf(fp,"%d%d",&k,&n);

    printf("9%d%d\n",k,n);

    fclose(fp);

}

程序运行后的输出结果是(    )