题目内容：
Questionsarebasedonthefollowingpassage. Priortothe20thcentury,manylanguageswithsmallnumbersofspeakerssurvivedforcenturies.Theincreasinglyinterconnectedmodernworldmakesitmuchmoredifficultforsmalllanguagecommunitiestoliveinrelativeisolation,akeyfactorinlanguagemaintenanceandpreservation.
Itremainstobeseenwhethertheworldcanmaintainitslinguisticandculturaldiversityinthecenturiesahead.Manypowerfulforcesappeartoworkagainstit:populationgrowth,whichpushesmigrantpopulationsintotheworld'slastisolatedlocations;masstourism;globaltelecommunicationsandmassmedia;andthespreadofgiganticglobalcorporations.Alloftheseforcesappeartosignifyafutureinwhichthelanguageofadvertising,popularculture,andconsumerproductsbecomesimilar.AlreadyEnglishandafewothermajortongueshaveemergedasgloballanguagesofcommerceandcommunication.Formanyoftheworld'speoples,learningoneoftheselanguagesisviewedasthekeytoeducation,economicopportunity,andabetterwayoflife.
Onlyabout3,000languagesnowinuseareexpectedtosurvivethecomingcentury.
Aremostoftherestdoomedinthecenturyafterthat?Whethermostoftheselanguagessurvivewillprobablydependonhowstronglyculturalgroupswishtokeeptheiridentityalivethroughanativelanguage.Todosowillrequireanemphasisonbilingualism(masteryoftwolanguages).Bilingualspeakerscouldusetheirownlanguageinsmallerspheres--athome,amongfriends,incommunitysettings--andagloballanguageatwork,indealingswithgovernment,andincommercialspheres.Inthisway,manysmalllanguagescouldsustaintheirculturalandlinguisticintegrityalongsidegloballanguages,ratherthanyieldtothehomogenising(同化的)forcesofglobalisation.
Ironically,thetrendoftechnologicalinnovationthathasthreatenedminoritylanguagescouldalsohelpsavethem.Forexample,someexpertspredictthatcomputersoftwaretranslationtoolswillonedaypermitminoritylanguagespeakerstobrowsetheInternetusingtheirnativetongues.Linguistsarecurrentlyusingcomputer-aidedlearningtoolstoteachavarietyofthreatenedlanguages.
Accordingtothepassage,minoritylanguagescanbebestpreserved___________. A．intheinterconnectedmodernworld
B．inrelativelyisolatedlanguagecommunities
C．ifculturalgroupswishtokeeptheirnativelanguages
D．ifminoritylanguagespeakersinsistonusingtheirownlanguages
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