— They have just bought a fancy new car for $ 75,000.

—______. They already have two cars and they cost them a pretty penny.

A．It was nothing

B．That’s Ok

C．Beats me

D．All right

智者学派产生的背景是（     ）

①古代希腊城邦民主制度的发达   ②一些学者开始关注自己周围的世界 

③古希腊经济文化的发展        ④资本主义开始萌芽

A．①②

B．①②③

C．①②③④

D．③④