阅读理解

阅读下列短文，从题中所给的四个选项(A，B，C和D)中，选出最佳选项。

Thecompetitionamongproducersofpersonalcomputersisessentiallyaracetogetthebestmostinnovativeproductstothemarketplace.Marketersinthisenvironmentfrequentlyhavetomakeajudgementastotheircompetitors'rolewhenmakingmarketingstrategydecisions.Ifmajorcompettorsarechangingtheirproductsthenamarketermaywanttofollowsuittoremaincompetitive.AppleComputerInc.hasintroducedtwonewfasterpersonalcomputerstheMackintoshⅡandMackintoshSEinanticipationoftheintroductionofanewPCbyIBMoneofApple'smajorcompetitors.

Apple'snewcomputersaremuchfasterandmorepowerfulthanitsearliermodels.TheimprovedMackintoshisabletorunprogramsthatpreviouslywereimpossibletorunonanApplePCincludingIBM-compatible(兼容的)programs.Thiscompatibilityfeature(特性)illustrates(show)computermanufacturers'(producer)newattitudeofgivingcustomersthefeaturestheywant.MakingApplecomputerscapableofrunning.IBMsoftwareisApple'seffortatmakingtheMachintoshcompatiblewithIBMcomputersandthusmorepopularintheofficewhereApplehopestoincreasesales.UsersofthenewApplecanalsoaccessories(附件)tomaketheirmachinesspecializeinspecificusessuchasengineeringandwriting.

Thenewcomputersrepresentabigimprovementoverpastmodelsbuttheyalsocostmuchmore.Companyofficialsdonotthinkthehigherpricewillslowdownbuyerswhostepuptoamorepowerfulcomputer.Applewantstostayinthehigh-priceendofthepersonalcomputermarkettofinanceresearchforevenfastermoresophisticatedcomputers.

EventhoughAppleandIBMaremajorcompetitorsbothcompaniesrealizethattheircompetitor'scomputershavecertainfeaturesthattheirownmodelsdonot.TheApplelinehasalwaysbeenpopularforitssophisticatedcolorgraphics(图形)whereastheIBMmachineshavealwaysbeenfavoredinoffices.Inthefuturetherewillprobablybemorecompatibilitybetweenthetwocompanies'productswhichnodoubtwillrequirethatbothAppleandIBMchangemarketingstrategies.

1．AccordingtothepassageAppleComputerInc.hasintroducedtheMackintoshⅡandtheMackintoshSEbecause________.

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A．itw