You create a Windows Presentation Foundation application by using Microsoft .NET Framework 3.5.
You deploy the application on client computers by using the ClickOnce technology. You need to ensure that the application downloads an assembly to a client computer only if the assembly is required.
Which event should you implement?

A.
The AssemblyLoad event of the AppDomain object

B.
The AssemblyResolve event of the AppDomain object

C.
The CheckForUpdateCompleted event of the ApplicationDeployment object

D.
The DownloadFileGroupCompleted event of the ApplicationDeployment object