【单选题】InspiteofallstoriesofprosperityintheUnitedStates,notonlydoespovertyexistthere,butcrimesofvarioustypeshavebeenincreasingatanalarmingrate．Mostactsofviolencewerecommittedbyyoungpeople．57%ofthecriminalsarrestedin1979wereyouthsbelow25ofage．Everyoneagreesthatcrimeispartlyaresultofbadmaterialconditions:poverty,lackofeducation,livingwithoutasettledhome,beingparentless,sufferingsfromotherkindsofmisfortune,etc．Therearealsootherfactorsthanmaterialconditionswhichareresponsibleforthesharpincreaseofcrimerate．Inthefirstplace,somestatelawsprovideadeathpenaltybutsomenot．Secondly,theConstitutionallowseverycitizentocarryweaponsforhisownprotection．Itisthereforepossibleandeasyforanyoneinthecountrytogetagun．Finally,therehasbeentoomuchshownonTVandtoomuchreportedinnewspaperofallkindsofcrime,thedetailsofwhicharesoaccuratelydescribedthatevenchildrenknowhowtoduplicatewhattheyhaveseenorread．Allthesehaveresultedinahighfrequencyofcrimescommittedbothbyprofessionalcriminalsandbynonprofessionalonesinmurder,drugsmuggling,robbery,etc．Whichofthefollowingiscorrectaccordingtothetext?A、Ofthecriminalsarrestedin1970,57percentwereyouthsbelow25ofage．
B、Lackofeducationhaslittletodowiththecrimerate．
C、Differencesinstatelawsfordeathpenaltyalsoaccountfortheincreaseofcrimerate．
D、Drugsmugglingistheonlyproductoftoomanyshowsandreports．
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