题目内容：
请根据以下内容回答11-15题TheRisingOilPrice
Couldthebadolddaysofeconomicdeclinebeabouttoreturn?SinceOPECagreedtosupply-cutsinMarch,thepriceofcrudeoilhasjumpedtoalmost$26abarrel,upfromlessthan$10lastDecember.Thisnear-triplingofoilpricescallsupscarymemoriesofthe1973oilshocksresultedindouble-digitinflationandglobaleconomicdecline.Sowherearetheheadlineswarningofgloomanddoomthistime?
TheoilpricewasgivenanotherpushupthisweekwhenIraqsuspendedoilexports.Strengtheningeconomicgrowth,atthedametimeaswintergripsthenorthernhemisphere,couldpushthepricehigherstillintheshortterm.
Yettherearegoodreasonstoexpecttheeconomicconsequencesnowtobelessseverethaninthe1970s.Inmostcountriesthecostofcrudeoilnowaccountsforasmallershareofthepriceofpetrolthanitdidinthe1970s.InEurope,taxesaccountforuptofour-fifthsoftheretailprice,soevenquitebigchangesinthepriceofcrudehaveamoremutedeffectonpumppricesthaninthepast.
Richeconomicsarealsolessdependentonoilthantheywere,andsolesssensitivetoswingsintheoilprice.Energyconservation,ashifttootherfuelsandadeclineintheimportanceofheavy,energy-intensiveindustrieshavereducedoilconsumption.Software,consultancyandmobiletelephonesusefarlessoilthansteelorcarproduction．ForeachdollarofGDP(inconstantprices)richeconomicsnowusenearly50%lessoilthanin1973．TheOECDestimatesinitslatestEconomicOutlookthat。ifoilpricesaveraged$22abarrelforafullyear，comparedwith$13inl998。thiswouldincreasetheoilimportbillinricheconomiesbyonly0．25%～0．5%ofGDP．Thatislessthanone-quarteroftheincomelossinl9740r1980．Ontheotherhand，oilimportingemergingeconomies--towhichheavyindustryhasshifted--havebecomemoreenergy-intensive，andSOcouldbemoreseriouslysqueezed．
Onemorereasonnottolosesleepovertheriseinoilpricesisthat，unliketherisesinthe1970s，ithasnotoccurredagainstthebackgroundofgeneralcommodity-priceinflationandglobalexcessdemand．Asizableportionoftheworldisonlyjustemergingfromeconomicdecline．TheEconomist’scommoditypriceindexisbroadlyunchangingfromayeara90．In1973commoditypricesjumpedby70%，andinl979byalmost30%．
Themainreasonforthelatestriseofoilpriceis_________．
A globalinflation
B reductioninsupply
C fastgrowthineconomy
D Iraq’ssuspensionofexports
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