YouaremanaginganOracleDatabase11gdatabasewiththisbackupstrategy：-EverySundaynight，level0backupisperformed.-OnMondaynightandsubsequentdays，level1incrementalbackupisperformed.Thebackupsarenotcumulativeincremental.WhichstatementaboutMonday’sbackupistrue（）

A.Thebackupcontainsalltheusedblocks.

B.Thebackupcontainsalltheusedandunusedblocks.

C.Thebackupcontainsblocksthathavechangedsincethelastlevel0backup.

D.Thebackupcontainsblocksthathavechangedsincethelastlevel1backuptakenlastweek.