Choose the best answer below of what the code best describes:

public class DrawingObject
{
    public virtual void Draw()
    {
        Console.WriteLine("I'm just a generic drawing object.");
    }
}
public class Line : DrawingObject
{
    public override void Draw()
    {
        Console.WriteLine("I'm a Line.");
    }
}
public class Circle : DrawingObject
{
    public override void Draw()
    {
        Console.WriteLine("I'm a Circle.");
    }
}
public class DrawDemo
{
    public static void Main()
    {
        DrawingObject draw= new Circle();
        draw.Draw();
    }
}