有以下程序#include<stdio.h>main（）{FILE*fp;inti,k,n;fp=fopen("data.dat","w+");for(i=1;i<6;i++){fprintf(fp,"%d",i);if(i%3==0)fprintf(fp,"\n");}rewind(fp);fscanf(fp,"%d%d",&k,&n);printf("%d%d
有以下程序#include<stdio.h>main（）{FILE*fp;inti,k,n;fp=fopen("data.dat","w+");for(i=1;i<6;i++){fprintf(fp,"%d",i);if(i%3==0)fprintf(fp,"\n");}rewind(fp);fscanf(fp,"%d%d",&k,&n);printf("%d%d\n",k,n);fclose(fp);}程序运行后的输出结果是（）。
A.00
B.12345
C.14
D.12
正确答案：D