- Hi, John. How was your holiday?

- I had a big time. My family went to the Great Wall.

- Wow! _____ How much I wish to![ ]

A. Just so-so.                      

B. So what?    

C. That sounds really cool!            

D. With pleasure.

下列程序的输出结果是______。
#include＜stdio.h＞
main0
intx＝1,y＝1,a＝1,b＝1;
switch(x)
case1:
switch(y)
case 0:a++;break;
case 1:b++;break;

case2:
a++;b++;break;

printf("a＝%d,b＝%d\n",a,B);