Your network contains an Exchange Server 2007 Mailbox server named Server1 and an Exchange Server 2010 Mailbox server named Server2. You need to move a mailbox from Server1 to Server2. What should you do()? 
A、A.From Server1, run Move-Mailbox.
B、B.From Server2, run Move-Mailbox.
C、C.From Server1, run New-MoveRequest.
D、D.From Server2, run New-MoveRequest.