You have an Exchange 2010 organization.You have an administrative user named Admin1.You need to ensure that Admin1 can move mailboxes in the organization.The solution must assign the minimum amount of permissions to Admin1. What should you do？（）

A. Create a local move request.
B. Create a custom Management role.Assign the role to Admin1.
C. Add Admin1 to the Organization Management role group.
D. Add Admin1 to the Recipient Management security group.