单选题：根据下列材料，请回答题：Therichhavetraditionallypassedtheirwealthontothe

根据下列材料，请回答题：Therichhavetraditionallypassedtheirwealthontotheirchildren.Butanincreasingnumberofbillionairesarechoosingnotto.Thereason?Theywanttheirchildrentoliveonthemselves—andnottoturnintospoiledsuccessors.
NicolaHorlickor“supermum”,afamousBritishbillionaire,owingtothefactthatshehashigh-flyingjobsandfivekidshasspenthercareermakingareported£250m.Shenowseemsdeterminedtothrowofflargepartsofit.Shealreadygivesawayabout25%ofherincomeeachyear;shehasjustrevealed,inareportonthestateofcharityinthecity,thatshewillnotbeleavingmostoftheremaindertoherchildren.“Ithinkitiswrongtogivetoomuchinheritedwealthtochildren,”Horlicktoldthereport’sauthors.“Iwillnotbeleavingallmywealthtomychildrenbecausethatwouldjustruintheirlives.”
Sheisbynomeansthefirsttogopublicwiththisconviction.BillGateshasputanestimated$30bnintotheBillandMelindaGatesFoundation.Thiswassupplemented,in2009,byanother$24bnorsofromhisfriendWarrenBuffett.
Buffetthasalwaysbeencolorful,quotablyclearonwherehestands.Hisdaughteroftentellsastoryoffindingherselfwithoutchangeforacarparkingticketherfatherlenther$20,thenpromptlymadeherwritehimacheck.“Tosuggestthatthechildrenofthewealthyshouldbejustaswealthy,”hehassaid,“islikesayingthemembersofAmerica’s2004Olympicteamshouldbemadeuponlyofthechildrenofthe1980Olympicteam.”
AnitaRoddick,thelatefounderoftheBodyShop,toldherkidsthattheywouldnotinheritonepenny.ThemoneythatshemadefromthecompanywouldgointotheBodyShopFoundation,whichisn’toneofthoseawfultaxshelters,likesomeinAmerica.Itjustfunctionstotakethemoneyandgiveitaway.Thebillionairesmentionedinthepassagedon’twanttoleavemuchoftheirwealthtotheirchildrenbecause________. A．theyprefertogivetheirwealthtocharity
B．theywanttheirbusinesstogoonhealthily
C．theybelievetoomuchwealthwillharmtheirchildren
D．theyhopetheirchildrencanmakemoremoneythemselves