阅读下列短文，从每篇短文后所给各题的四个选项（A、B、C和D）中，选出最佳选项。ThirteenvehicleslineduplastMarchtoraceacrosstheMojaveDesert,seekingamillioninprizemoney．Towin,theyhadt

　　阅读下列短文，从每篇短文后所给各题的四个选项（A、B、C和D）中，选出最佳选项。

　　ThirteenvehicleslineduplastMarchtoraceacrosstheMojaveDesert,seekingamillioninprizemoney．Towin,theyhadtofinishthe142-mileraceinlessthan10hours．Teamsandwatchersknewtheremightbenowinneratall,becausethesevehiclesweremissingakeypart-drivers．

　　DARPA,theDefenseAdvancedResearchProjectsAgency,organizedtheraceaspartofapushtodeveloproboticvehiclesforfuturebattlefields．ButtheGrandChallenge,asitwascalled,justprovedhowdifficultitistogetacartospeedacrossanunfamiliardesertwithouthumanguidance．Onehaditsbrakelockupinthestartingarea．Anotherbeganbythrowingitselfontoawall．Anothergottiedupbybushesneartheroadafter1.9miles．

　　Oneturnedupsidedown．Onetookoffinentirelythewrongdirectionandhadtobedisabledbyremote（远距离的）control．Onewentalittlemorethanamileandrushedintoafence;anothermanagedtogoforsixmilesbutstuckonarock．The“winner．”iftherewasany,reached7.8milesbeforeitranintoalong,narrowhole,andthefrontwheelscaughtonfire．

　　“Yougetalotofrespectfornaturalabilitiesofthelivingthings．”saysReinholdBehringer,whohelpeddesigntwoofthecar-sizevehiclesforacompanycalledSci-Autonics．“Evenants（蚂蚁）candoallthesetaskseffortlessly．It'sveryhardforustoputtheseabilitiesintoourmachines．”

　　Theroboticvehicles,thoughwithnecessarymodernequipmentsuchasadvancedcomputersandGPSguidance,hadtroublefiguringoutfastenoughtheblocksaheadthatatwo-year-oldhumanrecognizesimmediately．Sure,thatveryyoungchild,whohasjustonlylearnedtowalk,maynotthinktowipeapplejuiceoffherface,butshealreadyknowsthatwhenthere'sacookieinthekitchenshehastoclimbupthetable,andthatwhenshegetstothecookieitwilltastegood．Sheismoreadvanced,evenmonthsold,thananymachinehumanshavedesigned．

　　(1)

　　Watchersdoubtedifanyofthevehiclescouldfinishtheracebecause________

　　[]A．

　　theydidnothaveanyhumanguidance

　　B．

　　theroadwasnotfamiliartothedrivers

　　C．

　　thedistancewastoolongf