There are hundreds of people desperate to _______ an orphan whose parents were killed in the Haiti earthquake.

A．receive

B．educate

C．adopt

D．abuse

下述程序的输出结果是 【12】 。
#include＜stdio.h＞
int fun(int x)
int p；
if(x==0||x==1)
return 3；
else
p=x-fun(x-2)；
return p；
void main()
printf("\n%d"，fun(9))；