当出现经济过热时，公共财政应通过( )进行调控。

A．降低税收

B．减少支出

C．控制物价

D．严格投资项目审批

- Have you bought that digital camera?

- No, I can’t afford it. The price is a bit too ________, I think.[ ]

A. low

B. high

C. cheap

D. expensive