问题：

[单选]

You work as the exchange administrator at TestKing.com. The TestKing.com network contains an Exchange Server 2010 Organization. TestKing.com has its headquarters in Stockholm where you are located. 
A new TestKing.com compliance policy requires that e-mail messages sent to the marketing users olderthan 150 days be deleted and e-mail messages sent to users in other departments are deleted after 90days. You receive an intruction from the CIO to recommend a solution to management that will complywith the eompliance policy.
What should you do？（）

A . Your best option would be to create two Managed Folder mailbox policies.You should then use one for users in the marketing department and the other for users in the other departmens.
B . Your best option would be configure deleted item retention for all testking.com users.
C . Your best option would be to create two new message classifications.You should then use one for e-mails sent to users in the marketing department and the other for e-mails sent to users in the other departments.
D . Your best option would be to configure Personal Archives for users in the marketing department.