Your network consists of a single Active Directory domain. The network includes a branch officenamed Branch1. Branch1 contains 50 member servers that run Windows Server 2008 R2. An  organizational unit （OU） named Branch1-Servers contains the computer objects for the servers in  Branch1. A global group named Branch1-admins contains the user accounts for the administrators.  Administrators maintain all member servers in Branch1. You need to recommend a solution that allows the members of Branch1？admins group to perform the following tasks on the Branch1 member servers.   èStop and start services  èChange registry settings   What should you recommend？（） 

• A、Add the Branch1-admins group to the Power Users local group on each server in Branch1.
• B、Add the Branch1-admins group to the Administrators local group on each server in Branch1.
• C、Assign the Branch1-admins group change permissions to the Branch1-Servers OU and to all child  objects.
• D、Assign the Branch1-admins group Full Control permissions on the Branch1-Servers OU and to all child  objects.