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

A.abstract class Cat: Animal

{

abstract public void Move();

}

B.abstract class Cat: Animal

{

virtual public void Move(){Console.Write(Console.Write("Move!");)}

}

C.abstract class Cat: Animal

{

public void Move(){Console.Write(Console.Write("Move!");)};

}

D.abstract class Cat: Animal

{

public void Eat(){Console.Write(Console.Write("Eat!");)};

}