{{B}}pAssAgE 3{{/B}}

toDAy, CigArEttE smoking is A Common hABit.ABout Forty-thrEE pErCEnt oF thE ADult mEn AnD thirty-onE pErCEnt oF thE ADult womEn in thE unitED stAtEs smokE CigArEttEs rEgulArly. it is EnCourAging to sEE thAt millions oF pEoplE hAvE givEn up smoking. it is A FACt thAt mEn As A group smokE morE thAn womEn.Among Both mEn AnD womEn thE AgE group with thE highEst proportion oF smokErs is 24～44. inComE, EDuCAtion, AnD oCCupAtion All plAy A pArt in DEtErmining A pErson’s smoking hABit.City pEoplE smokE morE thAn pEoplE living on FArms. wEll-EDuCAtED mEn with high inComEs ArE lEss likEly to smokE CigArEttEs thAn mEn with FEwEr yEArs oF sChooling AnD lowEr inComEs. on thE othEr hAnD, iF A wEll-EDuCAtED mAn with A highEr inComE smokED At All, hE is likEly to smokE morE pACks oF CigArEttEs pEr DAy. thE situAtion is somEwhAt DiFFErEnt For womEn. (80) {{u}}thErE ArE slightly morE smokErs Among womEn with highEr FAmily inComE AnD highEr EDuCAtion thAn Among thE lowEr inComE AnD lowEr EDuCAtionAl groups. {{/u}}.thEsE morE highly .EDuCAtED womEn tEnD to smokE morE hEAvily. Among tEEnAgErs thE piCturE is similAr. thErE ArE FEwEr tEEnAgED smokErs From uppErinComE, wEll-EDuCAtED FAmiliEs, AnD FEwEr From FAmiliEs living in FArm ArEAs.ChilDrEn ArE most likEly to stArt smoking iF onE or Both oF thEir pArEnts smokE.

whAt FACtors DEtErminE A pErson’s smoking hABitsAgE, inComE AnD EDuCAtion.
B．AgE, sEx AnD inComE.
C．oCCupAtion, inComE AnD sEx.
D．oCCupAtion, inComE AnD EDuCAtion.