题目内容：
根据短文，回答题。ThereareagreatmanycareersinwhichtheincreasingemphasisisonspecializatiorLYoufindthesecareersinengineering，inproduction，instatisticalwork，andinteaching．Butthereisanincreasingdemandforpeoplewhoareabletotakeinagreatareaataglance，peoplewhoperhapsdonotknowtoomuchaboutanyonefield．Thereis，inotherwords，ademandforpeoplewhoarecapableofseeingtheforestratherthanthetrees，ofmakinggeneraljudgraents．Wecancallthesepeople“generalists”．Andtheyareparticularlyneededforpositionsinadministration，whereitistheirjobtoseethatotherpeopledotheirwork，wheretheyhavetoplanforotherpeople，toorganizeotherpeople’swork，tobeginitandjudgeit．Thespecialistunderstandsonefield；hisconcerniswithtechniqueandtools．Heisa“trained”man；andhisedueationalbackgroundisproperlytechnicalorprofessional．Thegeneralistsandespeciallytheadministratorsdealwithpeople；hisconcerniswithleadership，withplanning，andwithdirectiongiving．Heisan“educated”man；andthehumanitiesarehisstrongestfoundation．Veryrarelyisaspecialistcapableofbeinganadministrator．Andveryrarelyisagoodgeneralistalsoagoodspecialistinaparticularfield．Anyorganizationneedsbothkindsofpeople，thoughdifferentorganizationsneedthemindifferentproportions．Itisyourtasktofindout，duringyourtrainingperiod，intowhichofthetwokindsofjobsyoufit，andtoplanyourcareeraccordingly．
Yourfirstjobmayturnouttobetherightjobforyoubutthisispureaccident．CertainlyyoushouldnotchangeiobsconstantlyorpeoplewiUbecomesuspiciousofyourabilitytoholdanyjob．Atthesametime，youmustnotlookuponthefirstjobasthefinaljob．Itisprimarilyatrainingjob，achancetounderstandyourselfandyourfitnessforbeinganemployee．Thereisallincreasingdemandfor__________． A．allroundpeopleintheirownfields
B．generalistswhoarecapableofmakinggeneraljudgments
C．peoplewhoseeducationalbackgroundiseithertechnicalorprofessional
D．[D3specialistswhosechiefconcernistoprovideadministrativeguidancetoothers
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答案解析：