The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database： RMAN> REPORT OBSOLETE； What would you see in the output？（）
A. a list of all those files that have been deleted in the last two days
B. a list of all those files that have been recovered within the last two days
C. a list of all the expired backups and copies
D. a list of backups and copies that are outside the range covered by the current retention policy
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