题目内容：
根据以下材料，回答题Despitethesealarmingstatistics,thescaleofthethreatthatsmokingcausestowomen'healthhasreceivedsurprisinglylittleattention.Smokingisstillseenbymanyasamainlymaleproblem,
perhapsbecausemenwerethefirsttotakeupthehabitandthereforethefirsttosuffertheill-effects.Thisisnolongerthecase.Womenwhosmokelikemenwilldielikemen.WHOes-timatesthat,inindustrializedcountries,smokingratesamongmenandwomenareverysimilar,ataround30percent;inalargenumberofdevelopedcountries,smokingisnowmorecommona-mongteenagegirlsthanboys.
Aswomentookupsmokinglaterthanmen,thefullimpactofsmokingontheirhealthhasyettobeseen.Butitisclearfromcountrieswherewomenhavesmokedlongest,suchastheUnited
KingdomandtheUnitedStates,thatsmokingcausesthesamediseasesinwomenasinmenandthegapbetweentheirdeathratesisnarrowing.Oncurrenttrends,some20to25percentofwomen
whosmokewilldiefromtheirhabit.Oneinthreeofthesedeathswillbeamongwomenunder65yearsofage.TheUSSurgeonGeneralhasestimatedthat,amongthesewomen,smokingis
responsibleforarounddopercentheartdiseasedeaths,55percentoflethalstrokesand,amongwomenofallages,$0percentoflungcancerdeathsand30percentofallcancerdeaths.Overthe
last20years,deathratesinwomenfromlungcancerhavemorethandoubledinJapan,Norway,Poland,SwedenandtheUnitedKingdom;haveincreasedbymorethan200percentinAustralia,
DenmarkandNewZealand;andhaveincreasedbymorethan300percentinCanadaandtheUnitedStates.
Theeffectofsmokingonwomenhasnotbeenpaidenoughattentionbecause A．mensuffermorefromsmoking
B．menwouldlikewomentosmoke
C．menareconsideredthemainsufferersofsmoking
D．therearealarmingstatisticsofdeathcausedbysmoking
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答案解析：