You need to ensure that User1 can link GPO1 to OU1

Your network contains an Active Directory domain named contoso.com.
The domain contains a user named User1 and an organizational unit (OU) named OU1.
You create a Group Policy object (GPO) named GPO1.
You need to ensure that User1 can link GPO1 to OU1.
What should you do?

A.
Modify the security setting of User1.

B.
Add User1 to the Group Policy Creator Owner group.

C.
Modify the security setting of OU1.

D.
Modify the security setting of GPO1.