You have an Exchange Server 2010 organization named contoso.com.All users have a Personal Archive.You need to ensure that messages that are older than 90 days are moved from the user’s mailboxto the Personal Archive.What should you do？（）

• A、Create a retention tag.Assign the retention tag to a retention policy.Apply the retention policy to all users
• B、Create a retention tag.Assign the retention tag to a retention policy.Create a journal rule
• C、Create managed custom folder.Run the New Managed Content Settings wizard.Create a journal rule
• D、Run the New Managed Content Settings wizard.Create a new managed folder mailbox policy.Apply the policy to all users