Advertiserstendtothinkbigandperhapsthisiswhythey'realwayscominginforcriticism． Theircriticsseemtoresentthembecausetheyhaveaflairforself-promotionandbecausetheyhavesomuchmoneytothrowaround．"It'siniquitous,"theysay,"thatthisentirelyunproductiveindustry(ifwecancallitthat)shouldabsorbmillionsofpoundseachyear．Itonlygoestoshowhowmuchprofitthebigcompaniesaremaking．Whydon'ttheystopadvertisingandreducethepriceoftheirgoods?Afterall,it'stheconsumerwhopays．．．" Thepooroldconsumer!He'dhavetopayagreatdealmoreifadvertisingdidn'tcreatemassmarketsforproducts．Itispreciselybecauseoftheheavyadvertisingthatconsumergoodsaresocheap．Butwegetthewrongideaifwethinktheonlypurposeofadvertisingistosellgoods．Anotherequallyimportantfunctionistoinform．Agreatdealoftheknowledgewehaveabouthouseholdgoodsderiveslargelyfromtheadvertisementsweread． Advertisementsintroduceustonewproductsorremindusoftheexistenceofoneswealreadyknowabout．Supposingyouwantedtobuyawashingmachine,itismorethanlikelyyouwouldobtaindetailsregardingperformance,price,etc,fromanadvertisement． Lotsofpeoplepretendthattheyneverreadadvertisements,butthisclaimmaybeseriouslydoubted．Itishardlypossiblenottoreadadvertisementsthesedays．Andwhatfuntheyoftenare,too!Justthinkwhatarailwaystationoranewspaperwouldbelikewithoutadvertisements．Wouldyouenjoygazingatablankwallorreadingrailwayby-lawswhilewaitingforatrain?Wouldyouliketoreadonlycloselyprintedcolumnsofnewsinyourdailypaper?Acheerful,wittyadvertisementmakessuchadifferencetoadrabwalloranewspaperfullofthedailyrationofcalamities．Wemustnotforget,either,thatadvertisingmakesapositivecontributiontoour pockets．Newspapers,commercialradioandtelevisioncompaniescouldnotsubsistwithoutthissourceofrevenue．Thefactthatwepaysolittleforourdailypaper,orcanenjoysomanybroadcastprogrammesisdueentirelytothemoneyspentbyadvertisers．Justthinkwhatanewspaperwouldcostifwehadtopayitsfullprice! Anotherthingwemustn'tforgetisthe"smallads．"whichareinvirtuallyeverynewspaperandmagazine．Whatatremendouslyusefulservicetheyperformforthecommunity!Justaboutanythingcanbeaccomplishedthroughthesecolumns．Forinstance,youcanfindajob,buyorsellahouse,announceabirth,marriageordeathinwhatusedtobecalledthe"hatch,matchanddispatch"columnbutbyfarthemostfascinatingsectionisthepersonalor"agony"column．Nootheriteminanewspaperprovidessuchentertainingreadingorofferssuchadeepinsightintohumannature．It'sthebestadvertisementforadvertisingthereis! Whatisthemainideaofthispassage?
A.Advertisement．
B.The benefits of advertisement．
C.Advertisers perform a useful service to communities．
D.The costs of advertisement．
正确答案是C