• 2022-06-08
    abstract class BaseClass { public virtual void MethodA() { } public virtual void MethodB() { } } class Class1: BaseClass { public void MethodA(string arg){ } public override void MethodB(){ } } class Class2: Class1 { new public void MethodB(){ } } class MainClass { public static void Main(string[] args) { Class2 o = new Class2(); Console.WriteLine(o.MethodA()); } } 请问,o.MethodA调用的是
    A: BaseClass.MethodA
    B: Class2.MethodA
    C: Class1.MethodA
    D: 都不是