接口 Animal 定义如下，则下列抽象类的定义中,哪些是不合法的?public interface Animal{ void Move();}

A、abstract class Cat: Animal{

abstract public void Move();
};
B、abstract class Cat:Animal{

virtual
public void Move()
{


Console.Write("Move!");
}};
C、abstract class Cat:Animal{

public void Move()
{

Console.Write("Move!");
}};
D、abstract class Cat: Animal{
public void Eat()
{


Console.Write("Eat!");
}}