You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.During the course of the business week you receive instruction from Company.com to install Microsoft Exchange Server 2010 using the installation media. What should you do？（）

• A、You should consider having the adprep.exe //forestprep command run from the Microsoft Windows Server 2008 installation media.
• B、You should consider having the adprep.exe /domainprep command run from the Microsoft Windows Server 2008 installation media.
• C、You should consider having the setup /ps command run from the Microsoft Exchange Server 2010 installation media.
• D、You should consider having the setup /NewProvisionedServer command from the Microsoft Exchange Server 2010 installation media.