40)有以下程序
#include
main)
{FILE *fp,
int k,n,j,a[6]=<1,2,3,4,5,6};
fp=fopen"d2.dat","w");
fori=0;i<6;i++)fprintffp,"%d\n",a[i]);
fclosefp);
fp=fopen"d2.dat","r");
fori=0;i<3;i++)fscanffp,"%d%d",&k,&n);
fc|osefp);
printf"%d,%d\n",k,n);
)
程序运行后的输出结果是 )。
(A)1,2
(B)3,4
(C)5,6
(D)123.456