根据下面资料，回答 "Hithere.How′sitgoing?" "Oh,fine.Fine.Howaboutthisweather,huh?" "Well,Iguesswecanalwaysusetherain." Whatisthat?Thisstory?Oh,justalittlelookatsmalltalk.Youknow,thoseseeminglymeaninglessconversationsyouhavedozensoftimesaday.Maybeyou′rewaitingfortheelevator,orinalineatthebank.Itallseemsprettytrivial.Idlechatterabouttrafficdoesn′tdomuchmorethanfilltheairwithemptywordsthatarequicklyforgotten.Butyoushouldknowthatsmalltalkactuallyhasabigplaceinourlives. PatOliver,assistantprofessoronarts,saysthat,"Leftunchecked,smalltalkcanbeaninvasion.It′ssopowerful.Itdoessomethingtoyou.""EverymorningafterspendinganhourandahalfonthefreewayIstartthedaywithsmalltalkwithmysecretary,"Oliversays,"IfIdon′tmakesmallconnectionwithanotherperson,Ican′twork." Whatcausesit?Asarule,you′reeithertryingtoforcesomethingintoyourlife,oryou′reusingconversationasaninvisibleforcefieldtokeepthemout.Youcanbewantingtoconnectwithanotherperson,andsmalltalkisyourintroductiontomoremeaningconversation.Thewaypeopleusesmalltalkisusuallydeterminedbywheretheyhappentobeatthetime. Taketheelevator,forinstance.Nowthere′sprimeterritory.Nobodyknowsanyoneandthere′snoreasontostartaconversation,butinvariably,someonedoes."Makingconversationinsuchpeacefulsocialsettings,"accordingtoOliver,"canconfirmyourterritory.It′sawayoffeelinglikedandaccepted." Thetopicsofsmalltalkdon′tmatter.Infact,youdon′twantanythingmoretaxingthantheweatherorthetraffic.It′snon-threateningtalkinathreateningsituation.However,theruleschangequicklywhenyou′rewithlotsofpeopledoinglotsoftalking. Let′ssayyou′reataparty.Nowit′stimetousesmalltalkasawayofmakingothersfeelmorecomfortablearoundyou,sodon′tlooksillystandingbythefoodtablealoneallnight. "Smalltalk",asinterpretedbytheauthor,_____________.
A.has no real function in communication at all B.is usually meaningless and therefore useless C.is not as idle as it may seem to be D.is restricted to certain topics only正确答案C
