A system administrator performs a full backup every Saturday evening and incremental backups the rest of the week. The system failed on Thursday and needs to be restored. Which backup tapes will be required to restore the system to its most recent recoverable state？（）

• A、Saturday’s full backup tape only
• B、Wednesday’s incremental backup tape only
• C、Saturday’s full backup and Wednesday’s incremental backup tapes
• D、Saturday’s full backup and Sunday’s through Wednesday’s incremental backup tapes