根据以下材料，回答 Therearetwotypesofpeopleinthisworld:thosewhoregularlywashtheirofficecoffeecup.Andthosewhoonlytakeitofftheirdesktocoverupthecoffeemarkatthebottomwithafreshpour,drivingawaytheirshamewiththereasoningthattheheatmustkillthebacteriaorspinething. Dependingonwhichtypeofpersonyouare,thiswillbeeithermildlyannoyingormore-than-mildlyexciting.AsHeidiMitchellwroteinarecentWallStreetJournalcolumn,it′sfinetoneverwashyourcup,aslongasyou′renotsharingitwithanybodyelse. Therearetwowarningstothatstatement,infectious-diseaseexpertJeffreyStrake,aprofessoratBaylorCollegeofMedicine,toldMitchell;One,itonlyappliesifyou′renotsharingthecupwithanybodyelse.Andtwo,ifyouleavecreamorsugarinyourcupovertheweekend,thatcancertainlycausemold(霉)togrow--inwhichcase,washitout. Otherwise,though,there′snotreallymuchtoworryabout."IfIwentandculturedtheaverageunwashedcoffeecup,ofcourseIwouldfindbacteria."Starkesaid."Butrememberthevastmajoritycamefromthepersonwhousedthecup."Evenifyoudrinkfromitwhilesick,it′sprettyhardtore-infectyourselfwiththesamecup;mostvirusesdon′tlivelongoutsidethebody,whichmeansthatjustlettingyourcupliveinitsowndirtmaybeasaferbetthanthealternative;cleaningitwiththedisgustingsponge(海绵)intheofficekitchen"Thespongeinthebreakroomprobablyhasthehighestbacteriacountofanythingintheoffice."Starkesaidiftheideaofnotwashinghorrifiesyou,juststickthespongeinthemicrowavebeforeusing.Otherwise,though,reelfreetocontinueyourlazywayswithoutguilt. Whatdoesthepassageintendtotellus?
A.It is harmful to drink coffee withsugar. B.It' s okay not to wash your coffee cupregularly. C.The hot water contributes to the bacteriagrowing. D.Drinking from unwashed coffee cupscauses diseases easily.正确答案B
