You work as the enterprise exchange administrator at Company.com.The Company.com network consists of a single Active Directory domain named Company.com.Company.com has an Exchange Server 2010 organization.Due to numerous large e-mail messages， the average-size e-mail messages cannot reaches the Internet.You have received instructions to remove large messages from the Hub Transport servers.What should you do？（）

• A、You should use the Queue Viewer tool.
• B、You should use the Exchange Control Panel （ECP） tool.
• C、You should use the message tracking tool.
• D、You should use the Windows Explorer tool.