Your company has a single Active Directory Domain Services （AD DS） domain and 1，000 client computers.  You are planning to deploy Windows 7 by using a zero-touch installation process.   You need to test the deployment methodology.   What should you do first？（）

• A、Create a security group with test computers as members.
• B、Create a distribution group with test computers as members.
• C、Create a computer collection with test computers as members.
• D、Create an organizational unit and move test computer accounts into it.