题目内容：
根据以下材料，回答题Whenyouarelittle,th.ewholeworldfeelslikeabigplayground.IwaslivinginConyers,Georgiathesummeritallhappened.!wasasecondgrader,butmybestfriendStephaniewasonlyinthefirst
grade.BothofourparentswereatworkandmostofthetimetheyletusgoourownwaysItwasahotafternoonandwedecidedtohaveanadventureinStephanie'sbasement.As!
openedthebasementdoor,beforeuslaythebiggestroom,fullofamazingthingslikeguns,dolls,andoldclothes.Irandownstairs,andspottedaredsteelcan.Itwaspaint.Ilookedbeyonditand
therelayevenmorepaintinbrightcolorslikepurple,orange,blueandgreen.
"Stephanie,!justfoundusaprojectfortheday.Getsomepaintbrushes.Wearefixingtopaint."ShescreamedwithexcitementasItoldherofmysecretplansandimmediatelywegottowork.We
gatheredallthebrusheswecouldfindandmovedallofourmaterialstomyyard.Thereontheroadinfrontofmyhouse,wepaintedbitstripes(条纹)ofcolorsacrossthepavement(人行道).Stripebystripe,ourcolorsturnedintoabeautifulrainbow.Itwasfantastic!
Thesunwasstartingtosink.IsawacarinthedistanceandjumpedupasIrecognizedthecar.
Itwasmymother.Icouldn'twaittoshowhermymasterpiece.Thecarpulledslowlyintothedrive-wayandfromthelookonmymother'sface,IcouldtellthatIwasindeeptrouble.
Mymothershutthecardoorandwalkedtowardsme.Hereyesglaring,sheshouted,"Whatintheworldwereyouthinking?Iunderstoodwhenyoumadecastlesoutofleaves,andclimbedthe
neighbors'trees,butthis!Comeinsiderightnow!"Istoodthereglaringbackatherforaminute,angrybecauseshehadinsulted(侮辱)myart.
"Nowgotocleanitup!"MotherandIbegancleaningtheroad.TearsrandownmycheeksasIsawmybeautifulrainbowturnintoblackcement.
Thoughyearshavenowpassed,Istillwonderwheremyrainbowhasgone.Iwonderif,maybewhenIgetolder,Icanfindmyrainbowandneverhavetobrushitaway.Iguessweallneedsortof
rainbowtobrightenourlivesfromtimetotimeandtokeepourhopesanddreamscolorful.
Whatdidthewriterwanttodowhenhismothercamehome? A．TointroduceStephanietoher.
B．Topreventherfromseeinghispainting.
C．Toputthematerialsbackintheyard.
D．Toshowhisartworktoher.
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