你正在定义个一叫做Certkiller的类，这个类包含如下内容. Certkiller类包含一个可以再对象上执行的叫做ProcessChildren的方法。 Cerkiller类的对象可以被序列化（）

• A、Apply the OnDeserializing attribute to the ProcessChildren method.
• B、Specify that Certkiller Class implements the IDeserializationCallback interface.
• C、Specify that Certkiller Class inherits from the ObjectManager class.
• D、Apply the OnSerialized attribute to the ProcessChildren method.
• E、Create a GetObjectData method that calls ProcessChildren.
• F、Create an OnDeserialization method that calls ProcessChildren.