题目内容：
AttheUniversityofKansasartmuseum,scientiststestedtheeffectofdifferentcoloredwallsontwogroupsofvisitorstoanexhibitofpaintings.Forthefirstgrouptheroomwaspaintedwhite;forthesecond,darkbrown.Movementofeachgroupwasfollowedbyanelectricalequipmentunderthecarpet.Theexperimentshowedthatthosewhoenteredthedarkbrownwalkedmorequickly,coveredmorearea,andspentlesstimeintheroomthanpeopleinthewhiteone.Darkbrownmadepeoplemoreactive,buttheactivityendedsooner.Notonlythechoiceofcolorsbutalsothegeneralappearanceofaroomaffectsthoseinside.Anotherexperimentpresentedpeoplewithphotographsoffaceswhoseenergywastobecommented.Threegroupsofpeoplewereused;eachwasshownthesamephotos,buteachgroupwasinanordinaryroom—aniceoffice.Thethirdwasinatastefullydesignedlivingroomwithcarpeting.Resultsshowedthatthepeopleinthebeautifulroomtendtogivehighermarkstothefacesthanthoseintheuglyroomdid.Otherstudiesthatstudentsdobetteronteststakenincomfortableroomthaninordinary-lookingoruglyrooms.Whichofthefollowingisthebestexpressionofthemainideaofthispassage?
A.Peopleinbeautifulroomstendtogivehighermarkstophotosoffacesthanpeopleinuglyrooms
B.Thecolorandgeneralappearanceofaroomhaveadeepereffectonthebehaviorofthepeopleinit
C.TheUniversityofKansashasstudiedtheeffectsofthecolorofroomonpeople’sbehavior
D.Beautifullyfurnished,light-colouredroomsmakepeoplemorecomfortablethanugly,darkrooms
参考答案：
答案解析：