中国大学MOOC:a)Earlychildhoodeducationprogramsprovidecognitivebenefitswellbeyondpreschool.b)Recentstudiesthatcomparestudenttestscoresshowthatchildrenwhoareexposedtostructuredlearningactivitiesoutsidethehomeenvironmentarebetterabletoadapttoformalizedinstructioningradeskindergartenthroughthirdgradethanchildrenwhoremainathome.c)Thisisparticularlytrueamongchildrenfromlow-incomefamiliesandchildrenwhoseparentshavealimitedproficiencyinEnglish.d)Childrenlivinginstatesthatdonotprovideearlychildhoodprograms,ontheotherhand,lagbehindtheirpeers.e)Stateandlocalgovernmentsmustcontinuetobridgetheachievementgapsothatstudentsmayreachtheirfullpotentialatanearlyage.Whichsentence(s)give(s)illustration?___________