阅读下列短文，从每题所给的A.B.C和D项中，选出最佳选项。Adifferentsortofgenerationgapisdevelopingintheworkplace.Someone---specificallythefather-daughterteamofLarryandMeaganJohnson---hasfiguredoutthatonsomeAmericanjobsites,fivegenerationsareworkingsidebyside.Intheirnewbookaboutgenerationsintheworkplacethepairarguethatwhilesuchanagedifferenceaddsalotoftextureandavarietyoflifeexperiences,itcanalsobringtensionsandconflicts.TheJohnsonsarehuman-resourcetrainersandpublicspeakers.DadLarryisaformerhealth-careexecutive;daughterMeaganisaonetimehigh-levelsalesmanager.Herearetheoldestandyoungestofthefivegenerationstheyidentify:TheycalltheoldestgroupTraditionals,bornbefore1945.TheywereheavilyinfluencedbythelessonsoftheGreatDepressionandWorldWarTwo.Theyrespectauthority,setahighstandardofworkmanship,andcommunicateeasilyandconfidently.Butthey’realsostubbornlyindependent.Theywanttheiropinionsheard.AttheotherextremearewhattheJohnsonscallLinksters,bornafter1995intotoday’smorecomplicated,multi-mediaworld.Theyliveandbreathetechnologyandareoftensocialactivists.Youwon’tfindmany15-yearoldsintheofficesoflargecompanies,exceptasvolunteers,ofcourse,butquiteoldandquiteyoungworkersdocometogetherinsalesenvironmentslikebikeshopsandice-creamstores.TheJohnsons,LarryandMeagan,representagenerationgapthemselvesintheirworkwithjobsiteissues.TheJohnsons’pointisthatastheaveragelifespancontinuestoriseandretirementdatesgetdelayedbecauseofthetighteconomy,peopleofdifferentgenerationsareworkingsidebyside,moreoftenbringingwiththemverydifferentideasaboutcompanyloyaltyandworkvalues.Thefivegenerationsareheavilyinfluencedbyquitedifferentevents,socialtrends,andtheculturalphenomenaoftheirtimes.Theirexperiencesshapetheirbehaviorandmakeitdifficult,sometimes,formanagerstoachieveastrongandefficientworkplace.LarryandMeaganJohnsondiscussallthisingreaterdetailinanewbook,“Generations,Inc.:FromBoomerstoLinksters---ManagingtheFrictionBetweenGenerationsatWork,”publishedbyAmacomPress,whichisavailableinallgoodbookstorefromthisFriday.1.Thetypeofg