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. Inreformers'opinion,__________isthemosteffectivewaytostopyoungstersfromdrinkingalcohol.
A.raising the legal drinking age from 18 to 21
B.forcing teenagers to obey disciplines
C.developing young people's sense of responsibility
D.pressing teenagers to take soft drinks
正确答案是C