下面程序的输出是什么？package algorithms.com.guan.javajicu;public class TestDemo{    public static String output = ””;    public static void foo(inti)    {        try        {            if (i == 1)            {                throw new Exception();            }        }        catch (Exception e)        {            output += “2”;            return ;        } finally        {            output += “3”;        }        output += “4”;    }    public static void main(String[] args)    {        foo(0);        foo(1);        System.out.println(output);    }}

• A.342

• B.3423

• C.34234

• D.323