有以下程序

#include <stdio.h>

void fun(int *s,int nl,int n2)

{ int i,j,t;

i=nl; j=n2;

while(i<j) {t=s[i];s[i]=s[j];s[j]=t;i++;j--;}

}

main( )

{ int a[10]={1,2,3,4,5,6,7,8,9,0},k;

fun(a,0,3); fun(a,4,9); fun(a,0,9);

for(k=0;k<10;k++)printf("%d",a[k]); printf("\n");

}

程序运行的结果是 ( )

A)0987654321

B)4321098765

C)5678901234

D)0987651234