单项选择题

A.TheapplicationoccasionallylosestheconnectiontotheSQLAzuredatabase.Youneedtorecommendanapproachforreliablycompletingdataaccessoperations.Whatshouldyourecommend?()
A.UseMicrosoftADO.NETconnectionpooling.
B.Passexceptionstotheuserinterfacelayer.
C.Implementaretrypolicyinthedataaccesslayer.
D.Beginatransactionbeforeeachdataaccessoperation.