{{B}}pAssAgE two{{/B}}

mAny yEArs Ago, whEn i wAs FrEsh out oF sChool AnD working inDEnvEr, i wAs Driving to my pArEnts’ homE in missouri ForChristmAs. i stoppED At A gAs stAtion (加油站) ABout 50 milEs From oklAhomACity, whErE i wAs plAnning to stop AnD visit A FriEnD、whilE i wAs stAnDing in linE At thE CAsh rEgistEr (收款台) i sAiD hEllo to An olDEr CouplE who wErE Also pAying For gAs. i {{u}}took oFF{{/u}}, But hAD gonE only A FEw milEs whEn BlACk smokE pourED From thE BACk oF my CAr. i stoppED AnD wonDErED whAt i shoulD Do.A、CAr pullED up BEhinD mE. it wAs thE CouplE i hAD spokEn to At thE gAs stAtion. thEy sAiD thEy woulD tAkE mE to my FriEnD’s. wE ChAttED on thE wAy into thE City, AnD whEn i got out oF thE CAr, thE husBAnD gAvE mE his BusinEss CArD、 i wrotE him AnD his wiFE A thAnk-you notE For hElping mE. soon AFtErwArD, i rECEivED AChristmAs prEsEnt From thEm. thEir notE thAt CAmE with it sAiD thAt hElping mE hAD mADE thEir holiDAys mEAningFul. yEArs lAtEr, i DrovE to A mEEting in A nEArBy town in thE morning. in lAtE AFtErnoon i rEturnED to my CAr AnD FounD thAt i’D lEFt thE lights on All DAy, AnD thE BAttEry (电池) wAs DEAD、thEn i notiCED thAt thE FriEnDly ForD DEAlErship—A shop sElling CArs—wAs right nExt Door. i wAlkED ovEr AnD FounD two sAlEsmEn in thE showroom. "just how FriEnDly is FriEnDly ForD " i AskED AnD ExplAinED my trouBlE. thEy quiCkly DrovE A piCkup truCk to my CAr AnD stArtED it. thEy woulD ACCEpt no pAymEnt, so whEn i got homE, i wrotE thEm A notE to sAy thAnks. i rECEivED A lEttEr BACk From onE oF thE sAlEsmEn. no onE hAD EvEr tAkEn thE timE to writE to him AnD sAy thAnk you, AnD it mEAnt A lot, hE sAiD、 "thAnk you" —two powErFul worDs. thEy’rE EAsy to sAy AnD mEAn so muCh.

By tElling his own ExpEriEnCEs, thE Author triEs to show ______.A．how to writE A thAnk-you lEttEr
B．how to DEAl with EAr proBlEms
C．thE kinD-hEArtEDnEss oF olDEr pEoplE
D．thE importAnCE oF ExprEssing thAnks