下面程序运行的结果是（ ）class Demo{public static void main(String[] args){int x = 100;try{x = div(1,2);}catch(Exception e){System.out.println(e);}System.out.println(x);}public static int div(int a,int b){return a / b ;}}

A. 输出1;
B. 输出0;
C. 输出0.5
D. 编译失败;