（单选题）
While performing the backup of the flash recovery area， you notice that one of the archived redo log files is missing. You have multiple destinations for archived redo log files. What implications does it have on the backup of the flash recovery area？（）
A The backup fails because one of the archived redo log files is missing.
B The backup succeeds but it would be without the missing archived log.
C During backup，you are prompted for the alternative destination for the missing archived redo log file.
D The backup succeeds because it fails over to one of the alternative archived redo log destinations.
正确答案
答案解析
略
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