题目内容：
Questionsarebasedonthefollowingpassage:
AdamSmithwasthefirstpersontoseetheimportanceofthedivisionofthelabor.HegaveusanexampleoftheprocessbywhichpinsweremadeinEngland.
"Onemandrawsoutthewire,anotherstrengthensit,athirdcutsit,afourthpointsit,andafifthgivesitahead.Justtomaketheheadrequirestwoorthreedifferentoperations.Theworkofmakingpinsisdividedintoabouteighteendifferentoperations,whichinsomefactoriesareallperformedbydifferentpeople,thoughinothersthesamemanwillsometimesperformtwoorthreeofthem."
Tenmen,Smithsaid,inthisway,turnedouttwelvepoundsofpinsadayorabout4,800pinsaworker.Butifallofthemhadworkedseparatelyandindependentlywithoutdivisionoflabor,theycertainlycouldnothavemadetwentypinsinadayandnotevenone.
Therecanbenodoubtthatdivisionoflaborisanefficientwayoforganizingwork.Fewerpeoplecanmakemorepins.Adamsmithsawthis,buthealsotookitforgrantedthatdivisionoflaborisitselfresponsibleforeconomicgrowthanddevelopmentanditaccountsforthedifferencebetweenexpandingeconomiesandthosethatstandstill.Butdivisionoflaboraddsnothingnew,itonlyenablespeopletoproducemoreofwhattheyalreadyhave.
Accordingtothepassage,AdamSmithwasthefirstpersonto（ ）. A．takeadvantageofthephysicallabor
B．introducethedivisionoflaborintoEngland
C．understandtheeffectsofthedivisionoflabor
D．explainthebadcausesofthedivisionoflabor
参考答案：
答案解析：