问题详情

有以下程序:#include ＜stdlo.h＞main(){ FILE * fp; int i,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);
A．0 0
B．123 45
C．1 4
D．1请帮忙给出正确答案和分析，谢谢！