Legislator:Tokeepourfoodsafe,wemustprohibittheuseofanyfoodadditivesthathavebeenfoundtocausecancer.<br/>Commentator.Anabsoluteprohibitionisexcessive.Today’stestscandetectasinglemoleculeofpotentiallycancer-causingsubstances,butweknowthatconsumingsignificantlylargeramountsofsuchachemicaldoesnotincreaseone’sriskofgettingcancer.Thus,weshouldinsteadsetamaximumacceptablelevelforeachproblematicchemical,somewhatbelowthelevelatwhichthesubstancehasbeenshowntoleadtocancerbutabovezero.<br/>Ofthefollowing,whichone,iftrue,isthelogicallystrongestcounterthelegislatorcanmaketothecommentator’sargument? A: Thelevelatwhichagivenfoodadditivehasbeenshowntoleadtocancerinchildrenisgenerallyabouthalfthelevelatwhichitleadstocancerinadults. B: Consumingsmallamountsofseveraldifferentcanner-causingchemicalscanleadtocancerevenifconsumingsuchanamountofanyonecancer-causingchemicalwouldnot. C: Thelawwouldprohibitonlythedeliberateadditionofcancer-causingchemicalsandwouldnotrequiretheremovalofnaturallyoccurringcancer-causingsubstances. D: Forsomefoodadditives,thelevelatwhichthesubstancehasbeenshowntoleadtocancerislowerthanthelevelatwhichtheadditiveprovidesanybenefit. E: Allfoodadditiveshavesubstitutesthatcanbeusedintheirplace.
Legislator:Tokeepourfoodsafe,wemustprohibittheuseofanyfoodadditivesthathavebeenfoundtocausecancer.<br/>Commentator.Anabsoluteprohibitionisexcessive.Today’stestscandetectasinglemoleculeofpotentiallycancer-causingsubstances,butweknowthatconsumingsignificantlylargeramountsofsuchachemicaldoesnotincreaseone’sriskofgettingcancer.Thus,weshouldinsteadsetamaximumacceptablelevelforeachproblematicchemical,somewhatbelowthelevelatwhichthesubstancehasbeenshowntoleadtocancerbutabovezero.<br/>Ofthefollowing,whichone,iftrue,isthelogicallystrongestcounterthelegislatorcanmaketothecommentator’sargument? A: Thelevelatwhichagivenfoodadditivehasbeenshowntoleadtocancerinchildrenisgenerallyabouthalfthelevelatwhichitleadstocancerinadults. B: Consumingsmallamountsofseveraldifferentcanner-causingchemicalscanleadtocancerevenifconsumingsuchanamountofanyonecancer-causingchemicalwouldnot. C: Thelawwouldprohibitonlythedeliberateadditionofcancer-causingchemicalsandwouldnotrequiretheremovalofnaturallyoccurringcancer-causingsubstances. D: Forsomefoodadditives,thelevelatwhichthesubstancehasbeenshowntoleadtocancerislowerthanthelevelatwhichtheadditiveprovidesanybenefit. E: Allfoodadditiveshavesubstitutesthatcanbeusedintheirplace.