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.