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.Company.com contains five hub transport servers that are listed as source servers for a send connector to the internet.you have received instructions from the cio to stop a hub transport server named -sr14 to send or receive any e-mail messages from the internet.However， your set up should have the following characteristics： make sure that -sr14 can receive e-mail messages from the hub transport servers， make sure that the hub transport servers can deliver e-mail messages to the internet.What should you do？（）

A. You should consider stopping the Microsoft Exchange Transport service.
B. You should consider disabling the Receive connectors and Send connectors.
C. You should consider suspending the message queues.
D. You should consider stopping the Microsoft Exchange Mail Submission Service.