You need to view the last logon time of all users in the organization

You have an Exchange Server 2010 Mailbox server. The server contains one mailbox
database.

You need to view the last logon time of all users in the organization.
What should you do?

A.
From the Exchange Management Shell, run Get-MailboxDatabase.

B.
From the Exchange Management Shell, run Get-MailboxStatistics.

C.
From the Exchange Management Console, create and export a filter.

D.
From the Exchange Management Console, run the Remote Connectivity Analyzer.