You need to export information from all mailboxes to a file named mailboxes

You have an Exchange Server 2007 environment. You need to export information from all mailboxes to a file named mailboxes.csv. What should you do?

A.
Use the Mailbox node under the Server Configuration node in the Exchange Management Console

B.
Run the Get-MailUser | Export-Csv mailboxes.csv command

C.
Run the Get-Mailbox | Export-Csv mailboxes.csv command

D.
Run the Get-Mailbox Export-Csv > mailboxes.csv command