题目内容：
根据下面内容，回答题 ThatcoldJanuarynight,IwasgrowingsickofmylifeinSanFrancisco.ThereIwas,walkinghomeatoneinthemorningafteratiringpracticeatthetheatre.Withopeningnightonlyaweekaway,Iwasstilllearningmylines.Iwashavingtroubledealingwithmypart-timejobatthebankandmyactingatnightatthesametime.AsIwalked,IthoughtseriouslyaboutgivingupbothactingandSanFrancisco.Citylifehadbecometoomuchforme.
AsIwalkeddownemptystreetsundertallbuildings,Ifeltverysmallandcold.Ibeganrunning,bothtokeepwarmandtokeepawayfromanypossiblerobbers.Veryfewpeoplewerestilloutexceptafewsad-lookinghomelesspeopleunderblankets.
Aboutablockfrommyapartment,Iheardasoundbehindme.Iturnedquickly,halfexpectingtoseesomeonewithaknifeoragun.
Thestreetwasempty.AllIsawwasashiningstreetlight.Still,thenoisehadmademenervous,soIstartedtorunfaster.NotuntilIreachedmyapartmentbuildingandunlockedthedoordidIrealizewhatthenoisehadbeen.Ithadbeenmywalletfailingtothesidewalk.
SuddenlyIwasn'tcoldortiredanymore.IranoutofthedoorandbackwhereI'dheardthenoise.AlthoughIsearchedthesidewalkanxiouslyforfifteenminutes,mywalletwasnowheretobefound.
JustasIwasabouttogiveupthesearch,Iheardthegarbagetruckpulluptothesidewalknexttome.Whenavoicecalledfromtheinside,"AlisaCamacho?"IthoughtIwasdreaming.Howcouldthismanknowmyname?Thedooropened,andoutjumpedasmallred-hairedmanwithanamusedlookinhiseye."Isthiswhatyou'relookingfor?"heasked,holdingupasmallsquareshape.
Itwasnearly3A.M.bythetimeIgotintobed.Iwouldn'tgetmuchsleepthatnight,butIhadgottenmywalletback.Ialsohadgottenbacksomeenjoymentofcitylife.Irealizedthatthecitycouldn'tbeabadplaceaslongaspeoplewerewillingtohelpeachother.
Howdidthewriterfeelwhenshewaswalkinghomeafterwork? A．Coldandsick.
B．Fortunateandhelpful.
C．Satisfiedandcheerful.
D．Disappointedandhelpless.
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答案解析：