You perform differential incremental backups (level 1) of your database every working day and level 0 backup on Sundays, The following is true about backups? A. The backup performed on each working day contains all the blocks that have changed since the last levol 0 backup. B. The backup performed on Sundays contains all the blocks in the chosen files in the database. c. The backup performed on Sundays contains all the blocks that have changed since the last incremental (level 1) backup. D. None of the above