[单选题]

有以下程序

#include<stdio.h>

main()

{ FILE,*fp;

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

fp=fopen("d2.dat","W");

for(i=0;i<6;i++) fprintf(fp,"%d\n",a[i]);

fclose(fp);

fp=fopen("d2.dat","r");

for(i=0;i<3;i++) fscanf(fp,"%d%d",&k,&n);

fclose(fp);

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

参考答案与解析:

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