You have a single Active Directory directory service domain. All users in the IT department are placed into an organizational unit （OU） named IT Users. A Group Policy object （GPO） is linked to the IT Users OU. The GPO assigns a software installation package to install the Windows Server 2003 Administration Tools Pack. You select the Install this application at logon option in the software installation package. A user has been removed from the IT Users OU， but she still has the Windows Server Administration Tools Pack on her computer. You need to ensure that the Windows Server 2003 Administration Tools Pack is removed from a users computer when the user is moved from the IT Users OU. What should you do？（）

A. Modify the software installation package to use the Published deployment method. Clear the Auto-install this application by file extension activation check box. Redeploy the software installation package.
B. Modify the software installation package to clear the Install this application at logon option. Redeploy the software installation package.
C. Modify the software installation package to select the Uninstall this application when it falls out of the scope of management option. Retain the software installation package in the GP
D. Modify the software installation package to select the Uninstall this application when it falls out of the scope of management option. Delete the software installation package from the GP