单项选择题

有以下程序:
#include<stdio.h>
void fun(int a,int b)
int t;
t=a;a=b;b=t;

main()
int c[10]=1,2,3,4,5,6,7,8,9,0,i;
for(i=0;i<10;i+=2) fun(c[i],c[i+1]);
for(i=0;i<10;i++) printf("%d," ,c[i]);
printf("\n");

程序的运行结果是()

A、 1,2,3,4,5,6,7,8,9,0,
B、 2,1,4,3,6,5,8,7,0,9,
C、 0,9,8,7,6,5,4,3,2,1,
D、 0,1,2,3,4,5,6,7,8,9,