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.