You are employed as the Exchange administrator at Company.com.The Company.com network contains an Exchange Server 2010 Organization.Company.com has its headquarters in Chicago and a branch office in Dallas.Both offices are configured as a separate Active Directory site named ExamWaysA and ExamWaysB.The Chicago office and the Dallas office contain an Exchange Server 2010 Hub Transport Server.A Company.com user named Kara Lang works in the Marketing department.You receive an instruction from the CIO to stop Kara Lang from sending e-mail messages containing the word "sales" from ExamWaysA to any user in ExamWaysB.  What should you do？（）

• A、You should consider having the properties of the Client Receive connector modified from a Hub Transport server in ExamWaysB
• B、You should consider having the content filtering feature configured from a Hub Transport server in ExamWaysB
• C、You should consider having a transport rule created from a Hub Transport server in ExamWaysA
• D、You should consider having the sender filtering feature configured from a Hub Transport server in ExamWaysA