You have a computer that runs Windows 7. You create an Encrypting File System (EFS) recovery key andcertificate. You need to ensure that your user account can decrypt all EFS files on the  computer.  Whatshould you do?（　）

• A、From Credential Manager， add a Windows credential.
• B、From Credential Manager， add a certificate-based credential.
• C、From the local computer policy， add a data recovery agent.
• D、From the local computer policy， modify the Restore files and directories setting.