You are creating a Windows Presentation Foundation (WPF) application by using Microsoft
.NET Framework 4. You need to ensure that when the user attempts to run the application,
the user cannot use the application if a new version of the application is available. What
should you do?

A.
Use the ClickOnce technology along with the Search for updates during application
startup setting.

B.
Use a BackgroundWorker object on an application load to connect to a Background
Intelligent Transfer Service (BITS) service.

C.
Deploy the application by using the XCopy technology.

D.
Create a Custom Action within the MSI package to check for updates.