You are performing a block media recovery on the tools01.dbf data file in the SALES database using RMAN. Which two statements are correct in this scenario？（）

A.You must ensure that the SALES database is mounted or open.

B.You must restore a backup control file to perform a block media recovery.

C.You must take the tools01.dbf data file offline before you start a block media recovery.

D.You must put the database in NOARCHIVELOG mode to perform a block media recovery.

E.You can perform only a complete media recovery of individual blocks， point-in-time recovery of individual data blocks is not supported.