You have a single Active Directory directory service domain. All servers run Windows Server 2003. You create several new Group Policies. You need to determine the end result of these Group Policies before applying the settings.  What should you do？（）

• A、 Use Resultant Set of Policy （RSoP） in Planning mode.
• B、 Use Resultant Set of Policy （RSoP） in Logging mode.
• C、 Use Event Viewer to view the system log.
• D、 Use Event Viewer to view the application log.