Socialchangeismorelikelytooccurinsocietieswherethereisamixtureofdifferentkindsofpeoplethaninsocietieswherepeoplearesimilarinmanyways.Thesimplereasonforthisisthattherearemoredifferentwaysoflookingatthingspresentinthefirstkindofsociety.Therearemoreideas,moredisagreementsininterest,andmoregroupsandorganizationswithdifferentbeliefs.Inaddition,thereisusuallyagreaterworldlyinterestandgreatertoleranceinmixedsocieties.Allthesefactorstendtoprotnotesocialchangebyopeningmoreareasoflifetodecision. Inasocietywherepeoplearequitesimilarinmanyways,therearefeweroccasionsforpeopletoseetheneedortheopportunityforchangebecauseeverythingseemstobethesame.Andalthoughconditionsmaynotbesatisfactory,theyareatleastcustomaryandundisputed. Withinasociety,socialchangesisalsolikelytooccurmorefrequentlyandmorereadilyinthematerialaspectsoftheculturethaninthenon-material,forexample,intechnologyratherthaninvalues;inwhathasbeenlearnedlaterinliferatherthanwhatwaslearnedearly;inthelessbasicandlessemotionalaspectsofsocietythanintheiropposites;inthesimpleelementsratherthaninthecomplexones;informratherthaninsubstance;andinelementsthatareacceptabletothecultureratherthaninstrangeelements. Furthermore,socialchangeiseasierifitisgradual.Forexample,itcomesmorereadilyinhumanrelationsonacontinuousscaleratherthanonewithsharpdifference.ThisisonereasonwhychangehasnotcomemorequicklytoBlackAmericansascomparedtootherAmericanminorities,becauseofthesharpdifferenceinappearancebetweenthemandtheirwhitecounterparts. ?Socialchangeislesslikelytooccurinasocietywherepeoplearequitesimilarinmanywaysbecause__________.
A.people there have got so accustomed to their conditions that they seldom think it necessary to change
B.people there have identical needs that can be satisfied without much difficulty
C.people there are easy to please
D.people there are less disputed
正确答案是A