You are the network administrator for your company. The network consists of a single Active Directory domain. The domain includes an organizational unit （OU） named Processing. There are 100 computer accounts in the Processing OU. You create a Group Policy object （GPO） named NetworkSecurity and link it to the domain. You configure NetworkSecurity to enable security settings through the Computer Configuration section of the Group Policy settings. You need to ensure that NetworkSecurity will apply only to the computers in the Processing OU. You need to minimize the number of GPO links.  What should you do？（）

• A、 Link NetworkSecurity to the Processing OU. Disable the User Configuration section of NetworkSecurity.
• B、 Link NetworkSecurity to the Processing OU. Remove the link from NetworkSecurity to the domain.
• C、 Modify the discretionary access control list （DACL） for NetworkSecurity to assign all computer accounts in the Processing OU the Allow - Read and the Allow - Apply Group Policy permissions.
• D、 Modify the discretionary access control list （DACL） for NetworkSecurity to assign the Authenticated Users group the Deny - Apply Group Policy permission and to assign all of the computer accounts in the Processing OU the Allow - Read and the Allow - Apply Group Policy permissions.