What should you do?

You work as the network administrator at Domain.com. The Domain.com network consists of a single Active Directory domain named Domain.com. Domain.com has its headquarters located in London and branch office located in Paris. All servers on the Domain.com network run Windows Server 2008 and all client computers run Windows Vista.
During the course of the day you receive instruction from Domain.com to configure a GPO named Anti-Virus which ensure that Anti-Virus software are installed on all client computers in both offices. A newly appointed trainee named Mia Hamm in the Paris office asked you if this was possible if you are granted full access to the computers and Active Directory.
What should you do?

A.
You should inform Mia Hamm that a GPO should be created with required settings and linked to all organizational units which have computer accounts.

B.
You should inform Mia Hamm that the

C.
You should inform Mia Hamm that this process would not be possible.

D.
You should inform Mia Hamm that a GPO should be configured at the domain level.

Explanation:
You should then have the options to assign the applications set to the workstations.
You should then have the application published to the workstations.
The scenario states that management wants the application to be installed on all the workstations. You are not able to use a group policy to install software on domain controllers.
You are not able to use a group policy to install software on domain controllers and neither can it be used to publish applications to workstations.
Management has excluded domain controllers from the request in this scenario.
Reference : Syngress.The.Real.MCTS.MCITP.Exam.70-648.Prep.Kit.Mar.2008