题目内容：
Questionsarebasedonthefollowingpassage.
Myboneshavebeenachingagain,astheyoftendoindampweather.Whentheacheisbadenoughitkeepsmefromsleeping.EverynightIdesireforsleep,Istriveforit;yetitfluttersonaheadofmelikeacurtain.Therearesleepingpills,ofcourse,butthedoctorhaswarnedmeagainstthem.
Lastnight,afterwhatseemedhoursofdampdisturbance,Igotupandcreptslipperlessdownthestairs,feelingmywayinthefaintstreetlightthatcamethroughthewindow.Oncesafelyarrivedatthefirstfloor,Iwalkedintothekitchenandlookedaroundintherefrigerator.TherewasnothingmuchIwantedtoeat:somespoiledbreadandalemongoingsoft.I'vefallenintothehabitsofthesolitary;mymealsarequickandconvenient.Imadedowithsomepeanutbutter,scooped(舀取)directlyfromthejarwithmyfinger:Whydirtyaspoon?
Standingtherewiththejarinonehandandmyfingerinmymouth,Ihadthefeelingthatsomeonewasabouttowalkintotheroom--someotherwoman,theunseen,validowner--andaskmewhatinhellIwasdoinginherkitchen.I'vehaditbefore,thesensethateveninthecourseofmymostreasonableanddailyactions--eatingabanana,brushingmyteeth--Iamtrespassing(非法侵入).
Atnightthehousewasmorethaneverlikeastranger's.Iwanderedthroughthefrontroom,thediningroom,thelivingroom,handonthewallforbalance.
Myvariouspossessionswerefloatingintheirownpoolsofshadow,denyingmyownershipofthem.Ilookedthemoverwithathief'seye,decidingwhatmightbeworththeriskofstealing,whatontheotherhand1wouldleavebehind.Thieveswouldtaketheobviousthings--thesilverteapotthatwasmygrandmother's,perhapsthehand-paintedchina.Thetelevisionset.NothingIreallywanted.
Whycouldn'ttheauthorfallasleep? A．Becauseitwasrainingoutside.
B．Becauseshehadnosleepingpills.
C．Becauseherboneshurtalot.
D．Becauseshefeltveryhungry.
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