You are designing an organizational unit (OU) structure to manage the New App servers. What should you do?（）

• A、Create one OU that includes both the web servers and the database servers.  
• B、Create one OU that includes the web servers and one OU that includes the database servers.  
• C、Create one OU that includes the web servers. Then Place the database servers in the Computer Containers.
• D、Place the web server and the database servers in the Domain Controller OU.