> `#include "stdio.h"` > `int multi(int a,int b)` > `{ return a*b; }` > `void main()` > `{ int x,y,t;` > `printf("Please input two integers (x and y): ");` > `scanf("%d%d", &x,&y);` > `t= multi(x,y);` > `printf("%d\n",t); }` * A. 3 * B. 4 * C. 7 * D. 12