Itcallbeinferredfromthetextthat

问题：

阅读材料，回答下面的题目。
TheDiminishingScientificLeadershipoftheU,S.Withtherapidglobalizationofscienceitself(morethan40percentofscientificPh.D.studentstrainedintheUnitedStatesarenowforeignnationals,roughlyhalfofwhomreturntotheircountriesoforigin),theonceundisputedU.S.scientificlead,whetherrelevanttoproductleadornot,isdiminishing.
ThecompetitionofforeignstudentsforpositionsinU.S.graduateschoolshasalsocontributedtomakingscientifictrainingrelativelyunattractivetoU.S.students,becausetherapidlyincreasingsupplyofstudentshasdiminishedtherelativerewardsofthiscareerpath.Forthebestandbrightestfromlow-incomecountries,apositionasaresearchassistantintheUnitedStatesisattractive,whereasthebestandbrightestU.S.studentsmightnowseebetteroptionsinotherfields.Scienceandengineeringcareers,totheextentthattheyareopeninguptoforeigncompetition(whetherimportedoravailablethroughbettercommunication),alsoseemtobebecomingrelativelylessattractivetoU.S.students.
Withrespecttotheroleofuniversitiesintheinnovationprocessthespeculativeboomofthe1990s(which,amongotherthings,madeitpossibletoconvertscientificfindingsintocashratherquickly)waslargelyunexpected.Theboombroughtuniversitiesandtheirfacultiesintomuchclosercontactwithprivatemarketsastheytriedtogainasmuchoftheeconomicdividendsfromtheirdiscoveriesaspossible.Forawhile,thepathbetweendiscoveriesinbasicscienceandnewflowsofhardcashwasconsiderablyshortened.Butduringthenextfewdecades,thispathwilllikelyreverttowarditsmoretraditionallengthandreestablishinahealthyway,themoretraditional(andmoreindependent)relationshipbetweenthebasicresearchdoneatuniversitiesandthoseentitiesthattranslateideasintoproductsandservices.
Intheinterveningyears,anothernewforcealsogreatlyfacilitatedglobalization:therapidgrowthoftheInternetandcheapwide-bandwidthinternationalcommunication.Today,complexdesignactivitiescantakeplaceinlocationsquiteremovedfrommanufacturing,otherbusinessfunctionsandtheconsumer.Indeed,thereisnowampleopportunityforreal-timecommunicationbetweenbusinessfunctionsthatarequiteindependentoftheirspecificlocations.Forexample,softwarearedevelopment,withallitschangesandcomplications,cantoaconsiderableextentbedoneoverseasforaU.S.customer.Foreigncallcenterscanrespondinstantlytoquestionsfromthousandsofmilesaway.Theresultisthatlow-wageworkersintheFarEastandinsomeothercountriesarecomingintoevenmoredirectcompetitionwithamuchwiderspectrumofU.S.labor:unskilledinthecaseofcallcenters;morehighlyskilledinthecaseofprogrammers.

A.scientistsrarelyexpecttomakemoneyfromtheirdiscoveriesinbasicscience
B.itwillbemucheasiertoconvegscientificfindingsintocashinthenearfuture
C.theboomofthel990scouldbeconsideredsomewhatunhealthy
D.theboomofthel990swilllastatleastforseveraldecades

参考答案：C

参考解析：

【答案】C
【解析】根据第三段最后一句中的“Butduringthenextfewdecades，thispathlikelywill…reestablish，inahealthyway，thetraditionalrelationship…”可知，作者本文隐含的意思是，“theboomofthe1990swasnothealthy”。