using System;

​

public class Program

{

    public static void Main()

    {

        string display = string.Empty;

        char[][] charArray = {new[]{'A', 'B', 'C'}, new[]{'D', 'E'}};

        for (int i = 0; i < charArray.GetLength(0); i++)

        {

            for (int j = 0; j < charArray[i].Length; j++)

            {

                display += charArray[i][j].ToString() + " ";

            }

​

            display += "\n";

        }

​

        Console.WriteLine(display);

    }

}