题目内容：
根据以下材料，回答题0neeveningMr．Greenwasdrivinghomealongalonelycountryroad．Hehad￡1，000inhispocket．Attheloneliestpartoftheroad，amanaskedforalift(搭车)．Mr．Greentoldhimtogetintothecarandcontinuedhisdrivin9．WhenhetalkedtothemanandlearnedthatthemanhadbeeninDrisonforrobberyandhadbrokenoutofprisontwodaysbefore，Mr．Greenwasveryworried·
Suddenlvhesawapolice．carandhadabrightidea．HejustreachedasmalltownwherethesDeedlimitwas30milesanhour．Buthedrovethecarasfastasitcouldgo．Helookedbackandsawthatthepolice-carhadbeguntocbasehim．Afteramileorsothepolice-carovertook(赶上)himandorderedhimtostop．ApolicemangotoutandcametoMr．Green’scar．Mr．Greenhopedthathecouldtellthepolicemanabouttheescapedrobber，buthefbltthemanhadputagunagainsthisback．TheDolicemantookouthisnotebookandpencil，sayinghewantedMr．Green’snameandaddress．Mr．Greenaskedtobetakentothepolicestation，butthepolicemansaid，“N0，youwillhavetoappearatthepolicestationlater．”Mr．Greenhadtodoasthepolicemantoldhim．TheDolicemanwrotehisnameandaddressdown，puthisnotebookandpencilbackinhispocketIdgaveMr．Greenatalkaboutdangerousdriving．ThenMr．Greenstarteduphiscaragainanddroveon．
JustashereachedthesuburbofLondon，thepassengersaid，“Iwanttogetoffhere．”Mr．Greenstoppedthecar，themangotoutandsaid，“Thanksforthelift．You’Vebeengoodtome.ThisistheleastIcandoinreturn．’’AndhehandedMr．Greenthepoliceman’snotebook，whichhestolewhilethepolicemanwastalkingtoMr．Green．
Themanaskingforaliftwas． A．arobberwhorobbeddrivers
B．apolicemanwhohadworkedinprison
C．aDrisonerwhohadescapedfromprison
D．astrangerwith￡1，000inhispocket
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