Thehumanbraincontains10thousandmillioncellsandeachofthesemayhaveathousandconnections.Suchenormousnumbersusedtodiscourageusandcauseustodismissthepossibilityofmakingamachinewithhuman-likeability,butnowthatwehavegrownusedtomovingforwardatsuchapacewecanbelesssure.Quitesoon，inonly10or20yearsperhaps，wewillbeabletoassembleamachineascomplexasthehumanbrain,andifwecanwewill.Itmaythentakeusalongtimetorenderitintelligentbyloadingintherightsoftware(软件)orbyalteringthearchitecturebutthattoowillhappen.
Ithink-itcertainthatindecadesnotcenturies*machinesofsilicon(桂)willarisefirsttorivalandthenexceedtheirhumanancestors.Oncetheyexceedustheywillbecapableoftheirowndesign.Inarealsensetheywillbeabletoreproducethemselves.Siliconwillhaveendedcarbon'slongcontrol.Andwewillnolongerbeabletoclaimourselvestobethefinestintelligenceintheknowledge.
Astheintelligenceofrobotsincreasestomatchthatofhumansandastheircostdecinesthrougheconomiesofscalewemayusethemtoexpandourfrontiersfirstonearththroughtheiralnlitytowithstandenvironments,harmfultoourselves.Thusdesertsmaybloomandtheoceanbedsbemined.Furtherahead,byacombinationofthegreatwealththisnewagewillbringandthetechnologyitwillprovide,theconstructionofavast,man-createdworldinspace，hometothousandsormillionsofpeople，willbewithinourpower.
Itcanbeinferredfromthepassagethat_.
A.aftertheinstallationofagreatnumberofcellsandconnectionsrobotswillbecapableofreproduction
B.withtherapiddevelopmentoftechnologypeoplehavecometorealizethepossibilityofmakingamachinewithhuman-likeability
C.oncewemakeamachineascomplexasthehumanbrain?itwillpossessintelligence
D.robotwillhavecontrolofthevast,man-madeworldinspace
B推理题。全文反复提到随着科技的发展，人们能够生产出人工智能型的机器。因此B项符合文本的含义。
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