You have an Exchange

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？（）

• AFrom the Exchange Management Shell， run Get-MailboxDatabase.
• BFrom the Exchange Management Shell， run Get-MailboxStatistics.
• CFrom the Exchange Management Console， create and export a filter.
• DFrom the Exchange Management Console， run the Remote Connectivity Analyzer.