题目内容：
Text1Theperiodofadolescence,i.e.,theperiodbetweenchildhoodandadulthood,maybelongorshort,dependingonsocialexpectationsandonsociety’sdefinitionastowhatconstitutesmaturityandadulthood.Inprimitivesocietiesadolescenceisfrequentlyarelativelyshortperiodoftime,whileinindustrialsocietieswithpatternsofprolongededucationcoupledwithlawsagainstchildlabor,theperiodofadolescenceismuchlongerandmayincludemostoftheseconddecadeofone’slife.Furthermore,thelengthoftheadolescentperiodandthedefinitionofadulthoodstatusmaychangeinagivensocietyassocialandeconomicconditionschange.ExamplesofthistypeofchangearethedisappearanceofthefrontierinthelatterpartofthenineteenthcenturyintheUnitedStates,andmoreuniversally,theindustrializationofanagriculturalsociety.
Inmodernsociety,ceremoniesforadolescencehavelosttheirformalrecognitionandsymbolicsignificanceandtherenolongerisagreementastowhatconstitutesinitiationceremonies.Socialoneshavebeenreplacedbyasequenceofstepsthatleadtoincreasedrecognitionandsocialstatus.Forexample,gradeschoolgraduation,highschoolgraduationandcollegegraduationconstitutesuchasequence,andwhileeachstepimpliescertainbehavioralchangesandsocialrecognition,thesignificanceofeachdependsonthesocio-economicstatusandtheeducationalambitionoftheindividual.Ceremoniesforadolescencehavealsobeenreplacedbylegaldefinitionsofstatusroles,right,privilegesandresponsibilities.Itisduringthenineyearsfromthetwelfthbirthdaytothetwenty-firstthattheprotectiveandrestrictiveaspectsofchildhoodandminorstatusareremovedandadultprivilegesandresponsibilitiesaregranted.Thetwelve-year-oldisnolongerconsideredachildandhastopayfullfarefortrain,airplane,theaterandmovietickets.Basically,theindividualatthisageloseschildhoodprivilegeswithoutgainingsignificantadultrights.Attheageofsixteentheadolescentisgrantedcertainadultrightswhichincreaseshissocialstatusbyprovidinghimwithmorefreedomandchoices.Henowcanobtainadriver’slicense;hecanleavepublicschools;andhecanworkwithouttherestrictionsofchildlaborlaws.Attheageofeighteenthelawprovidesadultresponsibilitiesaswellasrights;theyoungmancannowbeasoldier,buthealsocanmarrywithoutparentalpermission.Attheageoftwenty-onetheindividualobtainshisfulllegalrightsasanadult.Henowcanvote,hecanbuyliquor,hecanenterintofinancialcontracts,andheisentitledtorunforpublicoffice.Noadditionalbasicrightsareacquiredasafunctionofageaftermajoritystatushasbeenattained.Noneoftheselegalprovisionsdetermineatwhatpointadulthoodhasbeenreachedbuttheydopointtotheprolongedperiodofadolescence.
Theperiodofadolescenceismuchlongerinindustrialsocietiesbecause________.
[A]thedefinitionofmaturityhaschanged
[B]theindustrializedsocietyismoredeveloped
[C]moreeducationisprovidedandlawsagainstchildlaboraremade(C)
[D]ceremoniesforadolescencehavelosttheirformalrecognitionandsymbolicsignificance
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