选择填空。

I come to school with ______ sister every morning.  [ ]

A. her and her

B. she and she's

C. she and her

D. her and she 

有以下程序

void f(int x,int y)

int t;

if(x＜y)t=x;x=y;y=t;

main( )

int a=4,b=3,c=5;

f(a,b); f(a,c); f(b,c);

cout＜＜a＜＜","＜＜b＜＜","＜＜c＜＜endl;

执行后输出结果是

A．3,4,5

B．5,3,4

C．5,4,3

D．4,3,5