What will be the output of the following C# code snippet?

#define DEBUG 
#undef DEBUG
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace ConsoleApplication13
{
    class Program
    {   
        static void Main(string[] args)
        {
            #if (DEBUG)
            Console.WriteLine("DEBUG is defined");
            #elif (!DEBUG && MYTEST)
            Console.WriteLine("MYTEST is defined");
            #elif (DEBUG && MYTEST)
            Console.WriteLine("DEBUG and MYTEST are defined");
            #else
            Console.WriteLine("DEBUG and MYTEST are not defined");
            #endif
            Console.ReadLine();
       }
   }
}

A. DEBUG is defined
DEBUG and MYTEST are not defined

B. DEBUG and MYTEST are not defined

C. MYTEST is defined
DEBUG and MYTEST are not defined

D. DEBUG is defined

Answer: Option B