单项选择题
You have an Exchange Server 2010 organization named contoso.com.Your company acquires a company named Fabrikam， Inc.
You plan to create new mailboxes for each user from Fabrikam.You need to ensure that each new mailbox can receive e-mail messages sent to fabrikam.com.The solution must not prevent the organization from receiving e-mails sent to contoso.com.
What should you do？（）
A.Create an accepted domain and then create a new e-mail address policy.
B.Create a remote domain and then modify the default e-mail address policy.
C.Create a Receive connector and then create a managed folder mailbox policy.
D.Modify the default accepted domain and then modify the default e-mail address policy.