单项选择题
A．only stores and landlords B．criminals only C．people who can pay high fees D．people who can pay little or nothing
A．American stores could provide new kinds of products to people. B．High tech describes a technology that is not traditional. C．"State of the art" is not as popular as "high tech". D．A modem plough pulled by oxen is "state of the art".
A．150 B．1,500 C．5,000 D．4,000