问题详情

WhatCanweinferfromthepassage？查看材料
A.Americanstorescouldprovidenewkindsofproductstopeople．
B.Hightechdescribesatechnologythatisnottraditional．
C.“Stateoftheart’’isnotaspopularas“hightech”．
D.Amodemploughpulledbyoxenis“stateoftheart”．
请帮忙给出正确答案和分析，谢谢！