Money may be thought of as Modern societies control supply and demand

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问题 Money may be thought of as
Modern societies control supply and demand

选项 A、by intervention in pricing goods and services.
B、by means of money and the price mechanism.
C、by keeping a watchful eye on price changes.
D、by fixing proper prices for specific industries.

答案B

解析 事实细节题。本题定位于第三段第一句,该句的主干为Money and the price mechanism...are the means by which all modern societies regulate demand and supply...,显然本题答案为B。其他选项均不全面。
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