单项选择题

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

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单项选择题

单项选择题

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);