Your network contains an Active Directory domain named contoso.com. All user accounts are in an organizational unit （OU） named Employees. You create a Group Policy object （GPO） named GP1.You link GP1 to the Employees OU.You need to ensure that GP1 does not apply to the members of a group named Managers. What should you configure？（）

• A、The Security settings of Employees
• B、The WMI filter for GP1
• C、The Block Inheritance option for Employees
• D、The Security settings of GP1