You configured the fast recovery area for one of your databases

You configured the fast recovery area for one of your databases but it is now running out of space. 　　Which two could make space available in the flash recovery area?

A.Reduce the RMAN retention policy window or day count.

B.Change the RMAN archived log deletion policy.

C.Use the RMAN CROSSCHECK command to reclaim the archived log space.

D.Use OS commands to remove files from the fast recovery area.

正确答案是C