请阅读短文，完成此题。Move over Methuselah. Future generations could be living well into their second century a

A、largestudyofpeopleaged85andovercarriedoutbyProfessorKirkwooddiscoveredthattherewerearemarkablenumberofpeopleenjoyinggoodhealthandindependenceintheirlate80sandbeyond.Withpeoplereachingoldageinbettershape,itissafetoassumethatthisisallduetobettereatinghabits,livingconditions,educationandmedicine.
B、erearestillmanypeoplewhosufferfrommajorhealthproblems,butmodemmedicinemeansdoctorsarebetteratmanaginglong-termhealthconditionslikediabetes,highbloodpressureandheartdisease."Wearereachingoldagewithlessaccumulativedamagethanpreviousgenerations.Wearelessdamaged,"saysProfessorKirkwood.Oursofterlivesandtheimprovementsinnutritionandhealthcarehavehadadirectimpactonlongevity.
C、arlyone-in-fivepeoplecurrentlyintheUKwilllivetoseetheirlOOthbirthday,theOfficeforNationalStatisticspredictedlastyear.LifeexpectancyatbirthhascontinuedtoincreaseintheUK--from73.4yearsfortheperiod1991to1993to77.85yearsfor2007to2009.AreportinSciencefrom2002whichlookedatlifeexpectancypatternsindifferentcountriessince1840concludedthattherewasnosignofanaturallimittolife.
D、searchersJimOeppenandDr.JamesVaupelfoundthatpeopleinthecountrywiththehighestlifeexpectancywouldlivetoanaverageageof100inaboutsixdecades.Buttheystoppedshortofpredictinganythingmore.