请阅读Passage1，完成题： Modernscientistsdividetheprocessofdyingintotwostages--clinicalortemporarydeathandbiologicaldeath.Clinicaldeathoccurswhenthevitalorgans,suchastheheartorlungs,haveceasedtofunction,buthavenotsufferedpermanentdamage.Theorganismcanstillberevived. Biologicaldeathoccurswhenchangesintheorganismleadtothedisintegrationofvitalcellsandtissues.Deathisthenirreversibleandfinal. Scientistshavebeenseekingawaytoprolongtheperiodofclinicaldeathsothattheorganismcanberevivedbeforebiologicaldeathoccurs.Thebestmethoddevelopedsofarinvolvescoolingoftheorganism,combinedwithnarcoticsleep.Byslowingdownthebody'smetabolism,coolingdelaystheprocessesleadingtobiologicaldeath. Toillustratehowthisworks,scientistsperformedanexperimentonasix-year-oldfemalemonkeycalledKeta.ThescientistsputKetatosleepwithanarcotic.Thentheysurroundedherbodywithice-bagsandbegancheckingherbodytemperature.Whenithaddroppedto28degreesthescientistsbegandrainingbloodfromitsbody.Themonkey'sbloodpressuredecreasedandanhourlaterboththeheartandbreathingstopped;clinicaldeathsetin.FortwentyminutesKetaremainedinthisstate.Hertemperaturedroppedto22degrees.Atthispointthescientistspumpedbloodintoitsbodyinthedirectionoftheheartandstartedartificialbreathing.Aftertwominutesthemonkey'sheartbecameactiveoncemore.Afterfifteenminutes,spontaneousbreathingbegan,andafterfourhoursKetaopenedhereyesandliftedherhead.Aftersixhours,whenthescientiststriedtogiveherapenicillininjection,Ketaseizedthesyringeandranwithitaroundtheroom.Herbehaviordifferedlittlefromthatofahealthyanimal. Onecharacteristicofclinicaldeathis__________. 查看材料
A.lasting damage to the lungs
B.destruction of the tissues
C.temporary non-functioning of the heart
D.that the organism cannot be revived
正确答案是C