请阅读Passage1，完成第小题。 Passage1 TheBritishMedicalJournalrecentlyfeaturedastrongresponsetowhatwasjudgedaninappropriatelylenientreactionbyamedicalschooltoastudentcheatinginanexamination. Althoughwehaveinsufficientreliabledataabouttheextentofthisphenomenon,itsprevention,oritseffectivemanagement,muchcanbeconcludedandactedupononthebasisofcommonsenseandconceptswithfacevalidity. Thereisgeneralagreementthatthereshouldbezerotoleranceofcheatinginaprofessionbasedontrustandoneonwhichhumanlivesdepend.Itisreasonabletoassumethatcheatersinmedicalschoolwillbemorelikelythanotherstocontinuetoactdishonestlywithpatients,colleagues,insurers,andgovernment. Thebehavioursunderquestionaremultifactorialinorigin.Therearefamilial,religious,andculturalvaluesthatareacquiredlongbeforemedicalschool.Forexample,countries,cultures,andsubculturesexistwherebribesanddishonestbehaviourarealmostanorm.Therearesecondaryschoolsinwhichneitherstaffnorstudentstoleratecheatingandotherswherecheatingisrampant;therearehomeswhichimbueyoungpeoplewithhighstandardsofethicalbehaviourandotherswhichleaveethicaltrainingtotheharmfulinfluenceoftelevisionandthemarketplace. Medicalschoolsreflectsocietyandcannotbeexpectedtoremedyalltheillsofasociety.Theselectionprocessofmedicalstudentsmightbeexpectedtofavourcandidateswithintegrityandpositiveethicalbehaviour--ifonehadareliablemethodfordetectingsuchcharacteristicsinadvance.Medicalschoolsshouldbethemajorfocusofattentionforimbuingfuturedoctorswithintegrityandethicalsensitivity.Unfortunatelytherearetroubling,ifinconclusive,datathatsuggestthatduringmedicalschooltheethicalbehaviourofmedicalstudentsdoesnotnecessarilyimprove;indeed,moraldevelopmentmayactuallystoporevenregress. Thecreationofapervasiveinstitutionalcultureofintegrityisessential.Itiscriticalthattheacademicandclinicalleadersoftheinstitutionsetapersonalexampleofintegrity.Medicalschoolsmustmaketheirinstitutionalpositionandtheirexpectationsofstudentsabsolutelyclearfromdayone.Thedevelopmentofaschool'scultureofintegrityrequiresapartnershipwiththestudentsinwhichtheyplayanactiveroleinitscreationandnurturing.Moreover,theschool'sexaminationsystemandgeneraltreatmentofstudentsmustbeperceivedasfair.Finally,thetreatmentofinfractionsmustbefirm,fair,transparent,andconsistent. Whatdoestheauthorsayaboutthecause(s)ofcheating? 查看材料
A.Family, culture and society play an active part.
B.Bad school environment is the leading cause of student cheating.
C.Parents are always to blame for their children's cheating behaviour.
D.Cheating exists primarily because students learn bad things from TV.
正确答案是A