题目内容：
根据短文，回答题。Who’stoblame?ThetrailofresponsibilitygoesbeyondpoormaintenanceofBritishrailways,saYindustrvcritics．Stingygovernments—bothLaborandTory—havecutdownoninvestmentsIntrainsandrails．Inthemid-1990saConservativegovernmentpushedthroughthesaleoftheentiresubsidy-guzzlingrailnetworkOperatingfranchiseswereparceledoutamongprivatecompaniesandaseparatefirm，Ralltrack，wasawardedownershipofthetracksandstations．Inthefuture，thetheoryranbackthen，theprtvatesectorcouldpayforanyimprDvements__________withalittlehelpfromthestate__________andtaketheblameforanyfailings.Todavsurveysshowthattravelersbelieveprivatizationisoneofthereasonsfortherailwaystailures．Theyaskwhetherthepursuitofprofitsiscompatiblewithguaranteeingsafety．Worse，splittingthenetworkbetweencompanieshasmadecoordinationnearlyimpossible．“Therailwaywastomapartatprivatizationandthestructurethatwasputinplacewas…designed，ifwearehonest，tomaximizetheproceedstotheTreasurv，”saidRailtrackbossGeraldCorbettbeforeresigninglastmonthinthewakeoftheHatfieldcrash．
Generally，thecontrastswithmainlandEuropearestark．OverthepastfewdecadestheGermans，FrenchandItalianshaveinvested50percentmorethantheBritishintransportationinfrastructure．Asaresult，awebofhigh-speedtrainsnowcrisscrossestheContinent，fundedbygovernmentswillingtocommitstatefundstomajorcapitalprojects．Spainiscurrentlyplanning1000milesofnewhigh-speedtrack．InFrancesuperfasttrainsalreadyshuttlebetweenallmajorcities，oftenondedicatedlines．AndinBritain?WhentheEuro-startrainsthatlinkParis，LondonandBrusselsemergefromtheChannelTunnelontoBritishsoilandjointhecrowdedlocalnetwork，theymustslowdownfroml86mphtoamaximumof100mph—andtheyusuallyhavetogoevenslower．
Foronce，thegovernmentislistening．Afterall，commutersarevoters，too．Inapre-votespendingspree，thegovernmenthascommitteditselftohugeinvestmentintransportation，aswellaseducationandthepublichealthservice．Overthenextloyears，therailwaysshouldgetanextra￡60billion，partlythroughhighersubsidiestotheprivatecompanies．AsBlairacknowledgedlastmonth，“BritainhasbeenunderinvestedinandinvestmentiscentraltoBritain’sfuture”Yondon’thavetotellthe3millionpassengerswhousetherailwayseveryday．LastweektrainstoDarlingtonwereanhourlate__________andcrawlingatLocomotionN0．1speeds．Inthefirstparagraph，theauthortriesto__________． A．tracethefailureofBritain’srailnetworktoitsdefectiveorigin
B．remindpeoplethegloriouspastofBritain’srailway
C．argueforBritain’srailnetwork
D．callforimpartialityinassessingthesituation
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