12在SQL Server 2000中，要对数据库GoodsDB进行一次差异备份，将其备份到设备Backup 1上该设备已建立好，并要求该次备份操作清除Backupl中己有的备份内容。下列能实现该备份要求的语句是
(A)BACKUP DATABASE GoodsDB TO Backupl DIFFERENTIAL,WITH NOINIT
(B)BACKUP DATABASE GoodsDB TO Backupl WITH DIFFERENTIAL,NOINIT
(C)BACKUP DATABASE GoodsDB TO Backupl DIFFERENTIAL,WITHINIT
(D)BACKUP DATABA息E GoodsDB TO Backupl WITH DIFFERENTIAL,INIT
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