Your company has two Active Directory forests named Forest1 and Forest2. The forest functional level and the domain functional level of Forest1 are set to Windows Server 2008. The forest functional levle of Forest2 is set to WIndows 2000， and the domain functional levels in Forest2 are set to Windows Server 2003. You need to set up a transitive forest trust between Frorest1 and Forest2. What should you do first（）

• A、Raise the forest functional level of Forest2 to Windows Server 2003 Interim mode.
• B、Raise the forest functional level of Forest2 to Windows Server 2003.
• C、Upgrade the domain controllers in Forest2 to Windows Server 2008.
• D、Upgrade the domain controllers in Forest2 to Windows Server 2003.