A、BECAusE gAngs stArt in prisons AnD mAkE prison A rEprEssivE ExpEriEnCE.
B、BECAusE CriminAls tEnD to BE rEpEAt oFFEnDErs.
C．BECAusE thErE is no stigmA AttAChED to most CriminAls.
D．BECAusE soCiEty DoEsn’t look At rElEAsED prisonErs with DisDAin.