【由安徽省合肥市2014高考模拟题改编】阅读下列短文,从给的四个选项(A、B、C和D)中,选出最佳选项。ScientistsinUKhavegrownalivinghuman"brain".TheteamatAstonUniversitycreatedtinybunchofcellswhichactlikeamininervoussystem.TheybelieveitcouldhelpfindacureforworsementalconditionslikeParkinson’sdisease.ProfessorMichaelColemanisleadingtheresearchprogram.Heexplained,"Weareaimingtobeabletostudythehumanbrainatthemostbasiclevel,usinganactuallivinghumancellsystem.Cellshavetobealiveandoperatingefficientlytoenableustoreallyunderstandhowthebrainworks."Theexperimentinvolveschangingcellsfromacancertumour(肿瘤）andmakingthembehavelikebraincells.Althoughfarfromfinished,researchershopethefalsebraincellswillgivethemagreaterunderstandingofhowrealbrainswork.This,inturn,couldsignificantlyfurtherresearchintoconditionswhichaffectthebrain.NeilHunt,chiefleaderoftheresearchgroup,said,"Itisstillveryearlydays,butinthefuturetheresearchcouldleadtoausefultoolforlookingintodementia(痴呆)."ThetechniquecouldalsoprovideawaytocarryonanimaltestandisbeingsupportedbytheHumaneResearchTrust(HRT).Thescientistspredictthatoverthenexttenyearsamillionpeoplewilldevelopdementia.ProfessorColemanbelievestheirfindingscouldchangethis.Hesaid，"Wehopeourresearchwillprovidescientistswithanewandhighlyrelationalhumanexperimentalmodeltohelpthemunderstandthebrainbetteranddevelopnewdrugstocontroltherelateddisease.However,thebiggestchallengeatpresentisthatwearegreatlyshortoffund,whichwillslowourresearch."1.UKscientistsgrowalivinghuman"brain"inorderto______.A.studythestructureofhumanbrainB.makeuseoflivinghumancellsystemC.discoverhowhumanbrainreallyworksD.separatecellsfromacancertumour2.AccordingtoNeilHunt,researchintobraincells______.A.willgetfinishedasearlyaspossibleB.willmakepeoplediscoverdementiaC.willaffectthebraingrowthinmanywaysD.willhelptotreatsomediseasesinnervesystem3.Fromthelastparagraph，wecanknowthat______A.thetechniqueprovidedbyHRTisimmatureB.animaltestsarenolongerallowedbylawC.amillionpeoplesufferfrombraindiseasesD.theresearchprogramlacksfinancia