根据下列内容，回答211-215题。 Advertiserstendtothinkbigandperhapsthisiswhythey'realwayscominginforcriticism. Theircriticsseemtoresentthembecausetheyhaveaflairforself-promotionandbecausetheyhavesomuchmoneytothrowaround."It'siniquitous,"theysay,"thatthisentirelyunproductiveindustry(ifwecancallitthat)shouldabsorbmillionsofpoundseachyear.Itonlygoestoshowhowmuchprofitthebigcompaniesaremaking.Whydon'ttheystopadvertisingandreducethepriceoftheirgoods?Afterall,it'stheconsumerwhopays..." Thepooroldconsumer!He'dhavetopayagreatdealmoreifadvertisingdidn'tcreatemassmarketsforproducts.Itispreciselybecauseoftheheavyadvertisingthatconsumergoodsaresocheap.Butwegetthewrongideaifwethinktheonlypurposeofadvertisingistosellgoods.An-otherequallyimportantfunctionistoinform.Agreatdealoftheknowledgewehaveabouthouse-holdgoodsderiveslargelyfromtheadvertisementsweread. Advertisementsintroduceustonewproductsorremindusoftheexistenceofoneswealreadyknowabout.Supposingyouwantedtobuyawashingmachine,itismorethanlikelyyouwouldob-taindetailsregardingperformance,price,etc.,fromanadvertisement. Lotsofpeoplepretendthattheyneverreadadvertisements,butthisclaimmaybeseriouslydoubted.Itishardlypossiblenottoreadadvertisementsthesedays.Andwhatfuntheyoftenare,too!Justthinkwhatarailwaystationoranewspaperwouldbelikewithoutadvertisements.Wouldyouenjoygazingatablankwallorreadingrailwaybye-lawswhilewaitingforatrain?Wouldyouliketoreadonlycloselyprintedcolumnsofnewsinyourdailypaper?Acheerful,wittyadvertisementmakessuchadifferencetoadrabwalloranewspaperfullofthedailyrationofcalamities.Wemustnotforget,either,thatadvertisingmakesapositivecontributiontoourpockets.Newspapers,commercialradioandtelevisioncompaniescouldnotsubsistwithoutthissourceofrevenue.Thefactthatwepaysolittleforourdailypaper,orcanenjoysomanybroad-castprogrammesisdueentirelytothemoneyspentbyadvertisers.Justthinkwhatanewspaperwouldcostifwehadtopayitsfullprice! Anotherthingwemustn'tforgetisthe"smallads."whichareinvirtuallyeverynewspaperandmagazine.Whatatremendouslyusefulservicetheyperformforthecommunity!Justaboutany-thingcanbeaccomplishedthroughthesecolumns.Forinstance,youcanfindajob,buyorsellahouse,announceabirth,marriageordeathinwhatusedtobecalledthe"hatch,matchanddis-patch"columnbutbyfarthemostfascinatingsectionisthepersonalor"agony"column.Nootheriteminanewspaperprovidessuchentertainingreadingorofferssuchadeepinsightintohuman nature.It'sthebestadvertisementforadvertisingthereis! Whatisthemainideaofthispassage?__________
A.Advertisement. B.The benefits of advertisement. C.Advertisers perform a useful service to communities. D.The costs of advertisement.正确答案B
