Your network has 200 Windows 2000 Professional computers and 15 Windows 2000 Server computers. Users on the network save their work files in home folders on a network server. The NTFS partition that contains the home folders has Encrypting File System (EFS) enabled. A user named Tess King leaves the company. You grant her manager the Full Control NTFS permission to Tess's home folder. When the manager attempts to open any of the files, she receives the follo wing error message: "Access is denied." What should you do?（）

A. Use System File Checker （SFC） to decrypt the file.
B. Log on the network as the Recovery Agent. Decrypt the files for the manager.
C. Log on the network as the administrator. Use theciphercommand to decrypt the files.
D. Log on the network as a member of the Backup Operators group. Decrypt the files for the manager.