打印以下程序 A:C(A,B) B:C(A,B) (正如它应该) public interface I { string A(); } public class C : I { public string A() { return “A”; } public string B() { return “B”; } } public class A { public virtual void Print(C c) { Console.WriteLine(“A:C(” + cA() + “,” + cB() + “)”); } } public class […]