题目内容：
根据以下材料，回答题 MedicineAwardKicksOffNobelPrizeAnnouncements
TwoscientistswhohavewonpraiseforresearchintothegrowthofcancercellscouldbecandidatesfortheNobelPrizeinmedicinewhenthe2008winnersarepresentedonMonday,kickingoffsixdaysofNobelannouncements.
Australian-bornU．S．citizenElizabethBlackburnandAmericanCarolGreiderhavealreadywonaseriesofmedicalhonorsfortheirenzymeresearchandexpertssaytheycouldbeamongthefront-runnersforaNobel.
OnlysevenwomenhavewonthemedicineprizesincethefirstNobelPrizeswerehandedoutin1901．ThelastfemalewinnerwasU．S．researcherLindaBuckin2004,whosharedtheprizewithRichardAxel.
Amongthepair'spossiblerivalsareFrenchmanPierreChambonandAmericansRonaldEvansandElwoodJensen,whoopenedupthefieldofstudyingproteinscallednuclearhormonereceptors.
Asusual,theawardcommitteeisgivingnohintsaboutwhoisintherunningbeforepresentingitsdecisioninanewsconferenceatStockholm'sKarolinskaInstitute.
AlfredNobel,theSwedewhoinventeddynamite,establishedtheprizesinhiswillinthecategoriesofmedicine,physics,chemistry,literatureandpeace．TheeconomicsprizeistechnicallynotaNobelbuta1968creationofSweden'scentralbank.
Nobelleftfewinstructionsonhowtoselectwinners,butmedicinewinnersaretypicallyawardedforaspecificbreakthroughratherthanabodyofresearch.
HansJomvall,secretaryofthemedicineprizecommittee,saidthe10millionkronor(U.S.$1.3million)prizeencouragesgroundbreakingresearchbuthedidnotthinkwinningitwastheprimarygoalforscientists.
"Individualresearchersprobablydon'tlookatthemselvesaspotentialNobelPrizewinnerswhenthey'reatwork,"JornvalltoldTheAssociatedPress．"Theygettheirkicksfromtheirresearchandtheirinterestinhowlifefunctions."
In2006,Blackburn,oftheUniversityofCalifornia,SanFrancisco,andGreider,ofJohnsHopkinsUniversityinBaltimore,sharedtheLaskerprizeforbasicmedicalresearchwithJackSzostakofHarvardMedicalSchool．Theirworksetthestageforresearchsuggestingthatcancerceilsusetelomerasetosustaintheiruncontrolledgrowth.
WhoisNOTalikelycandidateforthisyear'sNobelPrizeinmedicine? A．ElizabethBlackburn．
B．CarolGreider.
C．LindaBuck．
D．PierreChambon.
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