Amediafailurehasoccurred.Thishasresultedinallthemembersofthenexthoploggroupbeingrenderedinaccessibletothelogwriterprocess（LGWR）atalogswitch.Howdoesthisfailureaffecttheoperationaldatabase？（）

A．Thedatabasere-createdthemissingredologfilesautomatically. B．Thedatabasecontinuestofunctionnormallywiththeexistingfiles. C．Thedatabaseallowsonlyqueries，nootherstatementsareallowed. D．Thedatabasereturnsanderrorandthedatabaseinstanceshutsdown. E．Theusersessionsthatgenerateredologsareterminatedautomatically.