You work as the enterprise exchange administrator at Xxx .Xxx is using Microsoft Exchange Server 2003 as their messaging solution.You have added a new server to the network and deployed Exchange Server 2010 on it with the default settings.What command must be used to change the default e-mail address policy？（）

• A、You must use the setup /NewProvisionedServer.
• B、You must use the lpsetupui.exe.
• C、You must use the Set-EmailAddressPolicy cmdlet.
• D、You must use the Setup.com /AnswerFile：Exchange-All.xml.