题目内容
Auser’sdocumentwillnotprint,andasaresultsendsthesameprintjobseveraltimestotheprinter.Atechniciannoticesthattheprintqueueisstillwaitingforthefirstjobtofinishbeforeprintingsuccessivejobs. WhichofthefollowingwouldBESTresolvethisissue?（）
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