Your network consists of a single Active Directory domain. An organizational unit （OU） named Servers contains all member servers in the domain. The domain contains a Group Policy object （GPO） named Policy1.  A user account named Admin1 is used to administer the member servers. You need to allow Admin1 to apply Policy1 to the member servers. You must prevent Admin1 from modifying Policy1. What should you do？（）

• A、Add Admin1 to the Server Operators group.
• B、Add Admin1 to the Group Policy Creator Owners group.
• C、On the Servers OU， assign Admin1 the permission to link GPOs.
• D、On Policy1， assign Admin1 the permission to apply group policy.