She hasn't had any success _____. [     ]

A. so long    

B. before long    

C. by then  

D. so far

有下列程序：
#include ＜stdio.h＞
#include "string.h"
void tim(char *s[],int n)

char *t;int i,j;
for(i=0;i＜n-1;i++)
for(j=i+1;j＜n;j++)
if(strlen(s[i])＞strlen(s[j])) t=s[i];s[i]=s[j];s[j]=t;

main()

char *ss[]= "bcc","bbcc","xy","aaaacc","aabcc";
fun(ss,5);printf("%s,%s\n",ss[0],ss[4]);

程序的运行结果是( )。

A) xy,aaaacc
B) aaaacc,xy
C) bcc,aabcc
D) aabcc,bcc