【单选题】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.Oneofthefactorsthattendtopromotesocialchangeis__________.A、jointinterest
B、differentpointsofview
C、lessemotionalpeople
D、advancedtechnology