单项选择题

A.ARCnB.CKPTC.DBWnD.LGWRE.PMONF.SMONWhileconnectedtothe……

While connected to the database，a user on a PC receives a fatal error and the machine reboots. Which background process cleans up the failed connection？（）

A.ARCn
B.CKPT
C.DBWn
D.LGWR
E.PMON
F.SMON

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