阅读理解阅读理解阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳答案。OnedayanordinarydogappearedintheticketofficeatCampiglia,abusyrailroadstationonItaly'smai

　　阅读理解阅读理解

　　阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳答案。

　　OnedayanordinarydogappearedintheticketofficeatCampiglia,abusyrailroadstationonItaly'smainline.AticketagentnamedElviogreetedthestrangedoginafriendlyway,sothedogdecidedtostay.Fromthatdayon,thedogbecameElvio'sshadowandwasnamedLampo.

　　LampokeptElviocompanyinsidetheticketoffice.Whentheweatherwaswarm,hewouldenjoyhimselfinthesunonthetrainplatform.WhenitcametimeforElviotoreturnhomeonthetrainatnight,Lamporanafterthetrainforalongwayandthensadlygaveupandwentbacktothestation.

　　OnenightasElviowasridinghomeonthetrain,henoticedthatLampowaslyingathisfeet.Afraidthattheconductorwouldseethedogonthetrainandshoutathim,ElviopushedLampounderaseat.Luckily,theconductordidnotnoticethedog.LampocamehomewithElvioandmethisfamily.Then,afterashortvisit;Lampoboardedthelasttrainandwentbacktothestation.Lampoquicklylearnedallofthetrainschedules.HewouldridehomefromworkwithElvioeverynightandthenridebacktothestationalone.Everymorning,LampoarrivedatElvio'shouseintimetowalkhisyoungdaughter,Mivna,toschool.Thefaithfuldogwouldthentakeanothertraintocampigliatospendtimewithhismaster,thentravelagaintoaccompanyMivanhomefromschoolat11:30.

　　SoonLampobegantotakethetrainsalloverItaly.Lampobecamefamousamongthemenwhoworkedontherailroad,ashisjourneysbecamemorefrequent,complicatedandmysterious.NoonecouldexplainwhyhetravelledorhowhealwaysfoundtherighttrainbacktoCampiglia.PoepledecidedthatLampowasauniquedog.

　　SomeoftherailroadofficialswereagainstLampo'sillegaltravels.Theywereafraidhewouldbiteapassengerorcausesomeotherproblems.Finally,thestationmasterthreatenedtocallthedog-catcherifElviodidnotgetridofthedog.

　　ElviodecidedtoputLampoonatraingoingasfarawayaspossible.MonthswentbyandLampodidnotcomeback.Mivnamissedhimverymuchandprayedforhisreturn.Finallyoneday,asad,verythin,tiredhamporeturnedtoElvio'soffice.Everyone,eventhestationmaster,wasverysorryaboutwhathadhappened.Fromthenon,Lampowasallowedtoridethetrainswheneverhewanted.Afterseveny