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． ?Theauthorisworriedaboutthefactthat__________．
A.children may imitate what they have seen or read about crime
B.the more prosperous the United States is, the higher the crime rate becomes
C.citizens carrying guns will be punished
D.all the state laws will be punished
正确答案是A