You are developing a class library that will open the network socket connections to computers on the network. You will deploy the class library to the global assembly cache and grant it full trust. You write the following code to ensure usage of the socket connections. 
SocketPermission permission =  
new SocketPermission（PermissionState.Unrestricted）； 
permission.Assert（）；
Some of the applications that use the class library might not have the necessary permissions to open the network socket connections.You need to cancel the assertion.
Which code segment should you use？（）

你正在定義個一叫做Certkiller的類，這個類包含如下內(nèi)容.
Certkiller類包含一個可以再對象上執(zhí)行的叫做ProcessChildren的方法。
Cerkiller類的對象可以被序列化（）