题目内容：
根据以下材料，回答题Successisoftenmeasuredbytheabilitytoovercomeadversity.But,itisoftenthebeliefofothersthatgivesusthecouragetotry.
J.K.Rowling,authoroftheHarryPotterbookseries,beganwritingatage6.Inherbiography,sherememberswithgreatfondnesswhenhergoodfriend,Sean,whomshemetinsecondaryschool,
becamethefirstpersontoencourageherandhelpbuildtheconfidencethatonedayshewouldbeaverygoodwriter.
"HewasthefirstpersonwithwhomIreallydiscussedmyseriousambitiontobeawriter.HewasalsotheonlypersonwhothoughtIwasboundtobeasuccessatit,whichmeantmuchmoretome
thanIevertoldhimatthetime."
DespitemanysetbacksRowlingperseveredinherwriting,particularlyfantasystories.Butitwasn'tuntil1990thatshefirstconceivedtheideaaboutHarryPotter.Assherecalls,itwasonalong
trainjourneyfromLondontoManchesterthat"theideaofHarryPottersimplyfellintomyhead.Tomyimmensefrustration(沮丧),Ididn'thaveafunctioningpenwithme,andIwastooshytoaskanybodyifIcouldborrowone.Ithink,now,thatthiswasprobablyagoodthing,becauseIsimplysatandthought,for
four(delayedtrain)hours,andallthedetailsbubbledupinmybrain,andthisscrawny,black-haired,bespectacledboywhodidn'tknowhewasawizardbecamemoreandmorerealtome."
Thatsameyear,hermotherpassedawayafteraten-yearbattlewithmultiplesclerosis,whichdeeplyaffectedherwriting.Shewentontomarryandhadadaughter,butseparatedfromherhusbandshortlyafterwards.
Duringthistime,Rowlingwasdiagnosedwithclinicaldepression.Unemployed,shecompletedherfirstnovelinareacafes,whereshecouldgetherdaughtertofallasleep.Afterbeingrejectedby
12publishinghouses,thefirstHarryPotternovelwassoldtoasmallBritishpublishinghouse.
Nowwithsevenbooksthathavesoldnearly400millioncopiesin64languages,J.K.Rowlingisthehighestearningnovelistinhistory.Anditallbeganwithhercommitmenttowritingthatwas
fosteredbytheconfidenceofafriend!
WhobelievedJ.K.Rowlingwastobeagoodwriter?
A．HerfriendSean
B．Hermother
C．Herdaughter
D．Herhusband
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