Drunkendriving,sometimescalledAmerica'ssociallyacceptedformofmurder,hasbecomeanationalepidemic.EveryhourofeverydayaboutthreeAmericansonaveragearekilledhy drunkendrivers,addingupanincredible350,000overthepastdecade. Adrunkendriverisusuallydefinedasonewitha0.10bloodalcoholcontentorroughlythreebeers,glassesofwineorshotsofwhiskydrunkwithintwohours.HeavydrinkingusedtobeanacceptablepartoftheAmericanalcoholimageandjudgeswerelenientinmostcourts,butthedrunkenslaughterhasrecentlycausedsomanywell-publicizedtragedies,especiallyinvolvingyoungchildren,thatpublicopinionisnolongersotolerant. Twentystateshaveraisedthelegaldrinkingageto21,reversingatrendinthe1960storeduceitto18.AfterNewJerseylowereditto18,thenumberofpeoplekilledby18to20-year-olddriversmorethandoubled,sothestaterecentlyuppeditbackto21.Reformers,however,fearraisingthedrinkingagewillhavelittleeffectunlessaccompaniedbyeducationalprogramstohelpyoungpeopletodevelop"responsibleattitudes"aboutdrinkingandteachthemtoresistpeerpressuretodrink. Toughnewlawshaveledtoincreasedarrestsandinmanyareasalready,toamarkeddeclineinfatalities.Somestatesarealsopenalizingbarsforservingcustomerstoomanydrinks. Asthefatalitiescontinuetooccurdailyineverystate,someAmericansareevenbeginningtospeakwellofthe13years'nationalprohibitionofalcoholthatbeganin1919,whichPresidentHoovercalledthe"nobleexperiment".Theyforgetthatlegalprohibitiondidn'tstopdrinking,butencouragedpoliticalcorruptionandorganizedcrime.Aswiththeboomingdrugtradegenerally,thereisnoeasysolution. Whatistheauthor'sattitudetowardallthelawsagainstdrunkendriving?
A.Optimistic.
B.Pessimistic.
C.Indifferent.
D.Ironic.
正确答案是B