You have a computer that runs Windows XP Professional. You use Microsoft Outlook Express to download e-mail messages. You need to copy the e-mail messages, Outlook Express settings, and Internet Explorer settings to a new computer that runs Windows XP Professional. What should you do?（）

• A、Copy all *.dbx files from the old computer to the new computer. 
• B、Establish a Remote Assistance session from the old computer to the new computer.
• C、Back up the system state on the old computer. Restore the system state on the new computer. 
• D、Run the File and Settings Transfer Wizard on the old computer. Run the File and Settings Transfer Wizard on the new computer.