题目内容：
根据下列材料，请回答题:Americanshaveagreatloveforinformalityandnowhereisthisbetterexpressedthanintheirlovefornicknames(昵称、绰号).Upongreetingstrangersforthefirsttimetheywillquicklyintroducethemselvesbytheirnickname.Theseareshortenedformsoftheirgivennameatbirthandreflectthecasualrelationshipswhichexistamongfriendsandcoworkers.Familynamesarehardlyeverusedindailysituationsandtheuseofone’sfather’slastnameissavedonlyforrareandformaloccasions.Inmanytraditionalculturestheuseofthefamilynameisseenasasignofrespect.ForAmericans,however,it’sthenicknamewhichcreatesanimmediateintimacybetweentwopeopleuponwhichtobuildarelationship.Byspeakingtoanotheronafirstnamebasisandusinghisnickname,wallsareimmediatelytorndownandequalitybetweentwopeopleisestablished.
Atworkbosseswillrefertotheiremployeesbytheirnicknames.Shouldanemployeruseaworker’sfamilyname,youcanbesurethatsomekindofcorrectionorseriousbusinesswillfollow.
Thislovefornicknamescancreateasenseofclosenessbetweenpeoplewhoareotherwisenotrelated.EventhepresidentsoftheUnitedStateshavebornenicknames.AbrahamLincolnwasknownasHonestAbe.JohnF.KennedywasknownasJackorJFKandWilliamClintonhasnoreservationsinlettingpeopleknowhepreferstobecalledBill,butthosewholookuponhimwithdisfavormaycallhimSlickWilly.
Notonlypeoplebutcitiesoftencarrytheirownnicknames.Chicagoiscalledthe“WindyCity”becauseofthestrongwindswhichcomedownfromCanadathroughouttheyear.NewYorkCityisconsideredthe“BigApple”forreasonswhicharestillobscuretomostpeopleincludingmanyNewYorkers.
Noteverynickname,however,ispositiveandsomecanberatherrudeandinsulting.Ifsomeoneshoulddemonstrateacertainnegativecharacteristic,alabelwillsoonbeattachedtodescribethatpersoninanunpleasantway.Likewiseaperson’sphysicaltraitswhichareverydominantmayleadtonicknamesbutnotnecessarilytoone’slikingorchoice.Anickname,therefore,isaway
ofidentifyingordescribingsomeoneorsomethingforbetterorworse.
WhydoAmericansprefertousenicknameswhenaddressingoneanother? A．Nicknamesareeasytoremembe
B．Americansareafriendlypeopl
C．Nicknamesareconvenienttouseindailylif
D．Nicknameshelpbuildacloserrelationshi
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