资料：Economicperformanceisimprovinginmostoftheworld'sleadingeconomiesbutisstillshortofaself-sustainingupswing,theOrganizationforEconomicCooperationandDevelopmentsaidonWednesday. Inanupdatetoitseconomicforecasts,theParis-basedinternationalorganisationrepresentingadvancedeconomiessaidthatmoreprivatesectorinvestmentwasneededfortheexpansiontoendure,forwagestorisesustainabilityandforinequalitiestobetackled. Althoughallleadingeconomiesarenowrecordingpositivegrowth,CatherineMann,theOECD'schiefeconomist,urgedgovernmentsto“curbyourenthusiasm[because]strongandsustainedmedium-termglobalgrowthisnotyetsecured”. TheOECD'seconomicoutlookshowsupgradestothe2017growthforecastsinChina,RussiaandEuropeexcludingtheUKwiththeworldoutlookalsoappearingstrongerin2018. Worldgrowthshouldrisefromalowof3.1percentin2016,to3.5percentthisyearand3.7percentin2018,theOECDforecast,withtheUS,theEurozone,BrazilandRussiacontributingmosttotheimprovedglobaloutlook. China'spredictedgrowthrateof6.8percentin2017and6.6percentin2018hasbeenrevisedhigherby0.2percentagepointsinbothyearsandalthoughIndia'sgrowthratehasbeenreviseddown,reflectingadjustmenttoitsnewgoodsandservicestax,itislikelytoremainthefastestgrowinglargeeconomyintheworld. OnlytheUK,whichremainsembroiledinBrexitnegotiations,hasadeterioratingoutlook.RespondingtotheOECD'sforecastthattheBritisheconomywillbetheslowestgrowingintheGroupofSevenin2018havingbeennearthetopoftheleaguetablein2016,theBritishTreasurysaiditwasnotcomplacent. AccordingtoOECD,().
A.More efforts will be needed to ensure a sustained economic growth B.Investment from the government contributes most to the world economy C.The market is pessimistic on the world economy D.The world economy is growing rapidly and steadily正确答案A
