有以下程序______。
#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("%d%d\n",k,n);
Close(fp);
}
程序运行后的输出结果是______。
A.1 2
B.1 4
C.123 4
D.123 456
正确答案是D