You need to make offline modifications on the controlled GPO

Your user account has the Editor role in Advanced Group Policy Management (AGPM). You use a controlled Group Policy object (GPO) to enforce security settings on computers in your company. You need to make offline modifications on the controlled GPO. What should you do first?

A.
Open the Group Policy Object Editor.

B.
Create a copy of the GPO by using the Group Policy Management Console (GPMC).

C.
Check out the GPO by using the Group Policy Management Console (GPMC).

D.
Clear the Enforced option on the GPO.