弗里德曼认为，人们的货币需求稳定，货币政策应实行( )。

A．单一规则

B．适度从紧

C．相机行事

D．当机立断

The government of the country is trying to _____ the prices for foods in order to please people.

A．bring down

B．take down

C．put down

D．lay down