Oncetherewasalittlegirlwhocametoliveinanorphanage(孤儿院).AsChristmastimewasdrawingnear,alloftheotherchildren11tellingthelittlegirlaboutthebeautifulChristmastreethatwouldappearinthehalldownstairsonChristmasmorning.Aftertheirusual12,eachchildwouldbegiventheironlyChristmasgift,asmallorange.Theheadmasteroftheorphanagewasvery13withthekids.SoonChristmasEve,whenhe14thelittlegirlslippingdownthestairstopeek（偷看）atthemuch-heard-ofChristmastree,he15thatthelittlegirlwouldnotreceiveherChristmasorangebecauseshehadbeensocuriousastodisobeytherules.Thelittlegirlranbacktoherroom16,cryingatherterriblefate.Thenextmorningastheotherchildrenweregoingdownforbreakfast,thelittlegirlstayedinherbed.Shecouldn’t17thethoughtofseeingtheothersreceivetheirgiftwhiletherewouldbe18forher.Later,asthechildrencamebackupstairs,thelittlegirlwassurprisedtobehandedanapkin(餐巾).Asshecarefullyopenedit,there,toher19,wasanorangeallpeeledandsectioned(分瓣).“Howcouldthisbe?”sheasked.Then,sherealizedhoweachchildhadtakenonesectionfromtheirorangeforhersothatshe,too,wouldhaveaChristmasorange.WhatanexampleofthetruemeaningofChristmasthoseorphanchildrenshowedthatmorning!HowI20theworldwouldshowthesamekindofconcernforothers,notonlyatChristmas,butthroughouttheyear!请在18处填上正确答案（）

A. some
B. none
C. many
D. one