根据下列内容，回答207-210题。 ThemakersofEurope'stoiletpaperandotherhouseholdpapergoodsarecontributingtodeforestationbyfailingtoofferconsumersenoughrecycledproducts,conservationistssaidrecently. "Everydayabout270,000treesareeffectivelyflusheddownthetoiletorendupasgarbagearoundtheworld;suchauseoftheforestsisbothwastefulandunnecessary,"saidDuncanPoundofWWF,formerlyknownastheWorldWildlifeFund. AccordingtoaWWFstudy,thefivebiggestmanufacturersofdisposablepaperproductsinEuropeareProcterandGamble,SCA,KimberlyClark,MesaTissueandGeorgiaPacific,whichcontrolabout70percentofEuropeanmarket.Thevastmajorityoftheirproductscontain"alarminglylowlevels"ofrecycledfibers,itsaid. Thatmeansthat"virginfibers"extractedfromnaturalforestsandtreeplantationsaroundtheworld"endupaswastewithouttheconsumer'sknowledge,”theSwitzerland-basedinternationalconservationgroupsaidinthiscommunique. "Consumershavenoideathattheymaybethreateningtheworld'sforestswhentheygotothebathroom,"saidPollard,whoheadstheWWFprogramonEuropeanforests. "Themanufacturesclaimthatretailersmainlywantnon-recycledproductsbecausethatiswhatconsumerschoose."theWWFsaid. "It'samyththatrecycledtissueproductsarenotofgoodquality."Pollardsaid. TheEuropeantissuebusinessiswortharound8.5billioneuros(10billiondollars)annuallyandaccountsfor26percentofglobalconsumption. EachEuropeanusesonaverage13kilosofpaperproductsperyear,theWWFsaid. TheWWFhasaskedthecompaniestobetterinformconsumersabouthowmuchoftheirhouseholdpapergoodsaremadewithrecycledfibersandtoadvisethemtobuyboundsofrecycledtoiletpaperandtissues. Whatdoestheunderlinedpart"endupaswastewithouttheconsumer'sknowledge"mean?__________
A.Consumers waste "virgin fibers" because they lack knowledge B.Consumers don't waste "virgin fibers" without knowledge C.Consumers stopped using "virgin fibers" as waste because of knowledge D.Consumers waste "virgin fibers" without know it正确答案D
