Thepassagetellsusthat—一.
A.sometimesadvertisementsreallysellwhattheconsumerneeds
B.advertisementsoccasionallyforceconsumersintobuyingthingstheydon'tneed
C.thebuyingmotivesofconsumersarecontr olledbyadvertisement
D.fireinsuranceisseldomaworthwhileinvestment
正确答案:A[解析]见第一段第三句话。



