题目内容：
根据以下材料，回答题 PreferencesVaryonCircumstancesofDying
Amongterminally(晚期)illpeople,attitudesdifferonwhattheythinkconstitutesa（51）orbaddeath,theresultsofanewstudysuggest.
Dr．Elizabeth．K．VigoftheUniversityofWashingtoninSeattleandcolleaguesinterviewed26menwith（52）heartdiseaseorcancer．Themenwereaskedtodescribegoodandbaddeaths,andtheyalsoanswered（53）abouttheirpreferencesfordying．"Inthissmallstudy,terminallyillmendescribedgoodandbaddeaths（54）",Vigsaid．"Theydidnotholdthesameviewsaboutsuchissues（55）thepresenceofothersattheveryendoflifeorpreferredlocationofdeath."
Manyofthemenconsidered（56）intheirsleeptobeagooddeath．Thereasonswerevariedandincludednot（57）thatdeathwasimminent(即将发生的),andthatdeathwouldbepainless.
Forclosetohalfofthemen,aprolonged(拖延的)deathwas（58）abaddeath．Someofthemenassociatedaprolongeddeathwithprolongedpain,（59）othersthoughtaprolongeddeathwouldbedifficultfortheirfamilies.
Mostmensaidthattheir（60）wereveryimportanttothem,butthisdidnotmeanthattheywantedrelativescloseatthe（61）ofdeath．"Valuingfamilydidnotalso（62）wantingfamilypresentattheveryendoflife,"Vigsaid．"Infact,someexpressedconcerns（63）burdeninglovedones."Forinstance,somemenwereworriedabouttheemotionalor（64）impactontheirfamilymembers．AccordingtotheWashingtonresearchersomewereworried（65）theirneedforcarewouldbeaburdenontheirfamilies.
回答(51)题 A．wrong
B．pure
C．good
D．whole
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