题目内容：
Whichofthefollowingisthebestexpressionofthemainideaofthispassage?A.Peopleinbeautifulroomstendtogivehighermarkstophotosoffacesthanpeopleinuglyrooms
B.Thecolorandgeneralappearanceofaroomhaveadeepereffectonthebehaviorofthepeopleinit
C.TheUniversityofKansashasstudiedtheeffectsofthecolorofroomonpeople’sbehavior
D.Beautifullyfurnished,light-colouredroomsmakepeoplemorecomfortablethanugly,darkrooms
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答案解析：