题目内容：
Questionsarebasedonthefollowingpassage:LondonstarteditsfirstmajorbikehireschemeonJuly30th.TransportForLondon(TFL),theagencyresponsibleformovingpeoplearoundEngland’scapital,put5,000bicyclesin400differentlocationsaroundthecity.Theideaistocuttraffic,reducepollutionandprovideagreenerwayofgettingaroundLondon’sstreets.Theschemehadafewteethingproblemsonitsfirstdayaspeoplecouldnotlockthebikesproperlyoncetheyhadfinishedridingthem.Asagestureofgoodwill,LondonMayorBorisJohnsonannouncedallrentalsonthefirstdaywouldbefreeofcharge.Thebikesareavailableforfreeforthefirst30minutesbutcostsgoupsteeplythereafter.Rentershavetopay$1.60forthefirsthourand$78for24hours.Thebikesareclearlydesignedforveryshorttrips.TFLsaysitseesa“cyclerevolution”happeninginLondon.Itpredictstherewillbearound40,000newcyclejourneyseverydayontherentalbikes.MrJohnsonsayshewantstoseeareturntotheturnofthe20thcentury,when20percentofjourneysinLondonweremadebybicycle.Theschemehasreceivedalotofpositivefeedbackinthefirsttwodays.ManyLondonersbelieveitisagreatalternativetoLondon’sovercrowdedandoverpricedtrainsandbuses.Onecommuter(远程上班族),AndyClark,toldtheReutersnewsagency:“It’sagreatidea.I’veseenitoperatinginParisandBarcelonaandthoughtwhydon’twehaveone?”TheLondonistBlogsaidthebikeswereverysturdyandwere“designedtowithstandabeatingfrombothcarelesscyclistsanddrunkenvandals（故意破坏公物者）”.
London’sbikerentalserviceisintendedto______. A．movepeoplearoundfreeofcharge
B．easetrafficproblemsonthecity’sroads
C．promotethebikesalesinthecity
D．raisepeople’sawarenessofpollution
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