A company uses an application that creates temp files that need to be backed up on a daily basis. A test restore fails to restore the temp files. In checking the backup catalog, Karen, a technician, discovers that the temp files are not being backed up. Which of the following is the MOST likely reason?（）

• A、To backup temp files, the /T switch must be used.
• B、NTBACKUP does not backup temp files by default.
• C、The NTBACKUP utility cannot backup temp files.
• D、NTBACKUP is not running under the correct credentials.