class A : ITest
	{
		public void Test()
		{
			Console.WriteLine("A");
		}
	}

	class C : A, ITest
	{
		public new void Test()
		{
			Console.WriteLine("C");
		}
	}

	class Class1
	{
		[STAThread]
		private static void Main(string[] args)
		{
			ITest c = new C();
			((A)c).Test();
			c.Test();
		}
	}