Group case statements together

using System;

class Program
{
    static void Main(string[] args)
    {
        string ch = "C";
        switch (ch)
        {
            case "A":
            case "B":
            case "C":
                Console.WriteLine("Pass");
                break;
            case "D":
            case "E":
                Console.WriteLine("Failed");
                break;
        }

    }
}