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多項選擇題

Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you. 
Which two statements are true in this scenario?()

A.The instance aborts.
B.The database cannot be recovered.
C.The database can be recovered by restoring the control files from the backup.
D.The database remains opened and you have to shut it down with the ABORT option.
E.The database can be restored till the point of the last closed whole database backup.

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