You are designing the Windows Server 2003 Active Directory forest structure to meet the business and technical requirements.  Which forest structure should you use？（）

• A、 One Active Directory forest with one domain.
• B、 One Active Directory forest with three domains.
• C、 One Active Directory forest with four domains.
• D、 Two Active Directory forests with one domain in each forest.
• E、 Three Active Directory forests with one domain in each forest.