mAny thEoriEs ConCErning thE CAusEs oF juvEnilE DElinquEnCy (CrimEs CommittED By young pEoplE) FoCus EithEr on thE inDiviDuAl or on soCiEty As thE mAjor ContriButing inFluEnCE. thEoriEs{{u}} (21) {{/u}}on thE inDiviDuAl suggEst thAt ChilDrEn EngAgE in CriminAl BEhAvior{{u}} (22) {{/u}}thEy wErE not suFFiCiEntly pEnAlizED For prEvious misDEEDs or thAt thEy hAvE lEArnED CriminAl BEhAvior through{{u}} (23) {{/u}}with othErs. thEoriEs FoCusing on thE rolE oF soCiEty suggEst thAt ChilDrEn Commit CrimEs in{{u}} (24) {{/u}}to thEir FAilurE to risE ABovE thEir soCioEConomiC stAtus,{{u}} (25) {{/u}}As A rEjECtion oF miDDlE-ClAss vAluEs. most thEoriEs oF juvEnilE DElinquEnCy hAvE FoCusED on ChilDrEn From DisADvAntAgED FAmiliEs,{{u}} (26) {{/u}}thE FACt thAt ChilDrEn From wEAlthy homEs Also Commit CrimEs. thE lAttEr mAy Commit CrimEs{{u}} (27) {{/u}}lACk oF ADEquAtE pA- rEntAl Control.All thEoriEs, howEvEr, ArE tEntAtivE AnD ArE{{u}} (28) {{/u}}to CritiCism.ChAngEs in thE soCiAl struCturE mAy inDirECtly{{u}} (29) {{/u}}juvEnilE CrimE rAtEs. For ExAmplE, ChAngEs in thE EConomy thAt{{u}} (30) {{/u}}to FEwEr joB opportunitiEs For youth AnD rising unEmploymEnt{{u}} (31) {{/u}}mAkE gAinFul EmploymEnt inCrEAsingly DiFFiCult to oBtAin. thE rEsulting DisContEnt mAy in{{u}} (32) {{/u}}lEAD morE youths into CriminAl-BEhAvior. FAmiliEs hAvE Also{{u}} (33) {{/u}}ChAngEs thEsE yEArs. morE FAmiliEs Consist oF onE-pArEnt housEholDs or two working pArEnts;{{u}} (34) {{/u}}, ChilDrEn ArE likEly to hAvE lEss supErvision At homE{{u}} (35) {{/u}}wAs Common m thE trADitionAl FAmily struCturE.

A．ContrArily
B．ConsEquEntly
C．similArly
D．simultAnEously