A.Discusstheproblemwiththeuserandidentifyanyrecentchanges.
B.Identifytherootcauseofthefailure.
C.Verifytheproblemresolution.
D.Documentactivitiesandoutcomesofrepairsteps.
参考答案：D
ADiscusstheproblemwiththeuserandidentifyanyrecentchangesB
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