根据以下内容，回答237-240题。 SummerTravelSale FigurespublishedyesterdayinareportonthenationalhousingmarketshowthatconsumerspurchasedmorenewhomesinSeptemberthaninanymonthyetthisyear.Theincreaseof14.1%overlastmonthdirectlycontradictsthepredictionsofmarketanalysts. "Itwasarealshocktomostofus,"admittedLashawndaCassano,chiefeconomistwiththefirmCapitalResources,LLT G."New-homesalesweredownsomuchinAugustandJulythatwesimplyexpectedthetrendtocontinue.Butthischangeseverything." Thereportstatesthat71,000homesweresoldinthemonthofSeptember.Thatiswellabovethefigureof62,000soldinAugustandJuly'soneof64,000.Previousmonthshadseenthenum-berholdingsteadyataround68,000.Thesenewnumbersaresuretoencourageinvestors,whohavebeenhesitanttoputtheirtrustinthecountry'seconomysincelastspring'sdownturn.Allthreenationalstockmarketsjumpedupatleasttenpointsonthenews. Thereportisalsolikelytoboostconstructionofnewhomes,asbuildersinterpretitasariseinconsumerdemand.However,iftheyreacttooenthusiastically,theyriskfloodingthemarketwithnewhouses.Whichcouidhavetheeffectofpushingdownpricesandcuttingintotheprofitsoftherealestateindustry. Whatdoesthisarticlemainlydiscuss?
A.An investment firm's sales figures B.A recession's effect on the real estate industry C.Yesterday's stock market activity D.An economic report's unexpected findings正确答案D
