Your network consists of a single Active Directory domain. All domain controllers run Windows  Server 2008 R2.     You need to capture all replication errors from all domain controllers to a central location.     What should you do（）

• A、Configure event log subscriptions.
• B、Start the System Performance data collector set.
• C、Start the Active Directory Diagnostics data collector set.
• D、Install Network Monitor and create a new capture.