![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
下面程序运行的结果是 public class Student { public virtual void Exam() { Console.WriteLine("考试"); } } public class Undergraduate : Student { public new void Exam() { base.Exam(); Console.WriteLine("补考"); } } class Program { static void Main(string[] args) { Student stu = new Undergraduate(); stu.Exam(); } }