题目内容：
Easter(复活节)isstillagreatdayforworship,candyinbasketsandrunningaroundtheyardfindingeggs,buteveryyearitgetsquiteabitworseforbunnies.Andno,notbecausethekidsliketopulltheirears.Theculpritisclimatechange,andsomeresearchersfoundthatrisingtemperaturesarehavingharmfuleffectsonatleastfivespeciesofrabbitintheUS,
TaketheLowerKeysMarshrabbit,forinstance.AnendangeredspeciesthatlivesintheLowerFloridaKeys,thisspeciesofcottontailisagreatswimmer--itlivesontheislands!--butitisalreadyseverelyaffectedby
developmentandnowbyrisingsealevels.AccordingtotheCenterforBiologicalDiversity,anoceanlevelriseofonly0.6meterswillsendthese~ysjumpingtohighergroundanda0.9-meterrisewouldwipeouttheirhabitat(栖息地)completely.
Thesnowshoehare,ontheotherhand,hasacolorissue.Mostoftheserabbitschangetheirfurcolorfromwhiteinthewintertimetobrowninthesummer,eachdesignedtogivethembettercoverfrompredators(~I~')~Asthenumberofdayswithsnowdecreasesallacrossthecountry,however,moreandmorebunniesarebeingleftinwhitefurduringbrowndirtdaysofbothfallandspring,makingthemaneasiermarkforpredators.Researchersknowthatthecolorchangeiscontrolledbythenumberofhoursofsunlight,butwhethertherabbitwillbeabletoadaptquickenoughtosurviveisabigquestion.TheNationalWildlifeFederationhasreportedthathuntershavenoticedtheirnumbersarealreadymarkedlydown.
Americanpikasorrockrabbits,arelativeofrabbitsandhares,mightbethefirstofthesespeciestogoextinctduetoclimatechange.About7-8incheslong,pikaslivehighinthecool.dampmountainswestoftheRockyMountains.Asglobaltemperaturesrise,theywouldnaturallymigrate(J~2~)tohigherground--buttheyalreadyoccupythemountaintops.Theycan'tgoanyhigher.TheNationalWildlifeFederationreportsthattheymightnotbeabletostandthenewtemperaturesastheirhabitatheatsup.
Thevolcanorabbithasthesameproblem.TheserabbitsliveontheslopesofvolcanoesinMexico,andrecentstudieshaveshownthatthelowerrangeoftheirhabitathasalreadyshiftedupwardabout700meters,buttherearenotsuitableplantsforthemtomovehigher,sotheyarestuckinthemiddle.Scientistsareconcernedabouttheirpopulations.
NativetotheUS,pygmyrabbitsweighlessthan1poundandliveintheAmericanWest.Theyarebelievedtobethesmallestrabbitsintheworld.Theirhabitatshavebeendestroyedbydevelopment.Severalpopulations,suchastheColumbiaBasinpygmy,almostwentextinctandweresavedbyzoobreedingprograms.Pygmyrabbitsalsorelyonwintercoverbydiggingtunnelsthroughthesnowtoescapepredators,butlessersnowfallisleavingthemexposed.
AllofthisgivesnewmeaningtodressingupinagiantbunnycostumethisEaster.
阅读以上短文，回答题 A．showtheimportanceofEasterDay
B．introducetheissueaboutbunnies
C．remindpeopleofEastertraditions
D．discusstherelationshipbetweenEasterandbunnies
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答案解析：