一道英语阅读题TheEuropeanswholefttheirhomelandinthe18thcenturiesandsettledtheirhomesinnorthAmericaarereferredto(指的是)asearlysettlers.EarlysettlerswhocamefromtheeasternpartsofthepresentU.S.A.wereusedto

　　一道英语阅读题

　　TheEuropeanswholefttheirhomelandinthe18thcenturiesandsettledtheirhomesinnorthAmericaarereferredto(指的是)asearlysettlers.EarlysettlerswhocamefromtheeasternpartsofthepresentU.S.A.wereusedtohavingmanytreesaround,sotheyfounditratherhardtogetusedtolivinginatreelessplacelikethestateofNebraska.WhentheyfirstsettleddowninNebraska,theyneededlargequantitiesofwoodforbuildinghousee,makingfiresanddoingmanyotherthings.Thereforetheystartedmanytree－plantingplansthatwentonforyearsandyears.Finallyin1872,anewspapermannamedJ.SterlingMortonhadanidea:Whynothaveaspecialdaysetasideforplantingtrees?SoArborDaywasbornonApril10th,1872,andthefirstArborDaywascelebrated.Thestategovernmentannouncedthatitwouldgiveprizestoindividuals(个人)andgroupsthatplantedthemosttrees.Onthatfirstday,morethan1,000,000treeswereplantedinNebraska.InthiswayNebraskahasbeenafforested,andit?sgreenalltheyeararound

　　Theearlysettlersarereferredtothose__________.

　　A.EuropeansB.Americans

　　C.WhocamefromtheeasternpartoftheU.S.A.D.Noneoftheabove