阅读理解Arecentstudypublishedinlastweek'sJournaloftheAmericanMedicalAssociationoffersapictureofhowriskyitistogetaliftfromateenagedriver．Indeeda16-year-olddriver

　　阅读理解

　　Arecentstudypublishedinlastweek'sJournaloftheAmericanMedicalAssociationoffersapictureofhowriskyitistogetaliftfromateenagedriver．Indeeda16-year-olddriverwiththreeormorepassengersisthreetimesaslikelytohaveafatalaccidentasateenagerdrivingalone．Bycontrasttheriskofdeathfordriversbetween30and59decreaseswitheachadditionalpassenger．

　　Theauthorsalsofoundthatthedeathratesforteenagedriversincreaseddramaticallyafter10p．m．andespeciallyaftermidnight．Withpassengersinthecarthedriverwasevenmorelikelytodieinalate-nightaccident．

　　RobertFossascientistattheUniversityofNorthCarolinaHighwaySafetyResearchCentersaysthehigherdeathratesforteenagedrivershavelesstodowith“reallystupidbehavior”thanwithjustalackofdrivingexperience．“Thebasicissue”hesays“isthatadultswhoareresponsibleforissuinglicensesfailtorecognizehowcomplexandskilledataskdrivingis．”

　　Bothheandtheauthorofthestudybelievethatthewaytomitigate(使……缓解)theproblemistohavestatesinstituteso-calledgraduatedlicensingsystemsinwhichgettingalicenseisamultistageprocess．Agraduatedlicenserequiresthatateenagerfirstprovehimselfcapableofdrivinginthepresenceofanadultfollowedbyaperiodofdrivingwithnightorpassengerrestrictionsbeforegraduatingtofulldrivingprivileges．

　　Graduatedlicensingsystemshavereducedteenagedrivercrashesaccordingtorecentstudies．Abouthalfofthestatesnowhavesomesortofgraduatedlicensingsysteminplacebutonly10ofthosestateshaverestrictionsonpassengers．Californiaisthestrictestwithanovice(新手)driverprohibitedfromcarryinganypassengerunder20(withoutthepresenceofanadultover25)forthefirstsixmonths．

　　(1)

　　Whichofthefollowingsituationsismostdangerousaccordingtothepassage?

　　[]A．

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