You need to design a strategy for moving the mailboxes from the Exchanges server at the Paris branch office to the Exchange server at the main office. What should you do？（）

• A、Use the Exchange Task Wizard to migrate all the mailboxes to the Exchange 2003 server
• B、Use the Exchange Mailbox Merge Wizard （Exmerge0 to migrate all the mailboxes to the Exchange 2003 server
• C、Use the Exchange Server Migration Wizard to migrate all the mailboxes to the Exchange 2003 server
• D、Export the contents of each mailbox to a .pst file. Create a new mailbox on the Exchange 2003 servers for each existing mailbox. Import the .pst file contents into each new mailbox