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MrD*_*ays 6 c# inheritance overriding overloading

刚刚在网上进行测验,准备面试C#。我读到这个问题:

using System;

// ...

public class Program
{
    static void Main(string[] args)
    {
        Derived d = new Derived();
        int i = 10;
        d.Func(i);
    }
}

public class Base
{
    public virtual void Func(int x)
    {
        Console.WriteLine("Base.Func(int)");
    }
}

public class Derived : Base
{
    public override void Func(int x)
    {
        Console.WriteLine("Derived.Func(int)");
    }

    public void Func(object o)
    {
        Console.WriteLine("Derived.Func(object)");
    }
}
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它说输出实际上应该是Derived.Fun(Object)。您能帮我理解为什么会这样做吗?我以为它将调用Func以整数作为参数的命令。