You have an Exchange Server 2010 organization for a company named Contoso， Ltd. Contoso has the following security policy： .Messages that contain the word budget cannot be sent to external recipients .Messages that contain the name Northwind Traders must be sent to the legal department automaticallyYou need to recommend a solution to meet the security policy. What should you recommend？（）
- ACreate two transport rules.
- BCreate two message classifications.
- CCreate one transport rule and configure a legal hold.
- DCreate one message classification and configure a legal hold.