fcountries.Totesttherelationshipbetweenphysicalandpsychologicalwarmth,Barghconductedanexperimentwhichinvolved41collegestudents.Aresearchassistantwhowasunawareofthestudy’shypotheses(假设),handedthestudentseitherahotcupofcoffee,oracolddrink,toholdwhiletheresearcherfilledoutashortinformationform:Thedrinkwasthenhandedback.Afterthat,thestudentswereaskedtoratethepersonalityof“PersonA”basedonaparticulardescription.ThosewhohadbrieflyheldthewarmdrinkregardedPersonAaswarmerthanthosewhohadheldtheiceddrink.“Wearegroundedinourphysicalexperiencesevenwhenwethinkabstractly,”saysBargh.51.AccordingtoParagraph1,aperson’semotionmaybeaffectedby______.A.thevisitorstohisofficeB.thepsychologylessonshehasC.hisphysicalfeelingofcoldnessD.thethingshehasboughtonline52.TheauthormentionsHarlow’sexperimenttoshowthat______.