TestKing.comhastwoSQLServer2005computersnamedSQL1andSQL2.Bothserverstakepartinreplication.SQL1isboththePublisheranditsownDistributorofapublicationnamedPub1.Pub1istheonlypublicationonSQL1，andSQL2istheonlySubscriber.Yoursupervisorrequestsastatusreportaboutthereplicationlatencies.UsingReplicationMonitoronSQL1，youneedtofindoutthecurrentlatenciesbetweenthePublisherandDistributoraswellasbetweentheDistributorandSubscriber.Whatshouldyoudo？（）

A.SelecttheSubscriptionWatchListtabforSQL1.ViewtheLatencycolumnfortheSQL2subscription. B.SelecttheAllSubscriptionstabforthePub1publication.ViewtheLatencycolumnfortheSQL2subscription. C.SelecttheTracerTokenstabforthePub1publication.SelecttheInsertTracer OptionandwaitfortherequestedlatencyvaluesfortheSQL2subscriptiontoappear. D.SelecttheSubscriptionWatchListtabforSQL1.Double-clicktheSQL2subscription.ViewthedurationdetailsonthePublishertoDistributorHistorytabaswellasontheDistributortoSubscriberHistorytab.