For serveral years, per capita expenditure on prescription drugs in Voronia rose by fifteen percent or more annually. In order to curb these dramatic increases, the ministry of health prohibited drug manufacturers from raising any of their products' prices. Even though use of prescription drugs did not expand after this price freeze, per capita expenditure for prescription drugs continued to increase by a substantial percentage each year.
which of the following, if ture, most helps to explain why the ministry's action did not achieve its goal?
A. After price increases were prohibited, drug manufacturers concentrated on producint new medications to replace existing products.
B. The population of Voronia rose steadily throughout the period.
C. Improvements in manufacturing processes enabled drug manufacturers to maintain high profit levels on drugs despite the price freeze.
D. In addition to imposing a price freeze, the fovernment encouraged doctors to prescribe generic versions of common drugs instead of the more expensive brand-name versions.
E. After price increases were prohibited, some foreign manufacturers of expensive drug ceased marketing them in Voronia.
A. After price increases were prohibited, drug manufacturers concentrated on producint new medications to replace existing products.
沾，换药了。
B. The population of Voronia rose steadily throughout the period.
人口如何变化，无关
C. Improvements in manufacturing processes enabled drug manufacturers to maintain high profit levels on drugs despite the price freeze.
文中关心的是为什么每人消费大了而非工厂的利润
D. In addition to imposing a price freeze, the fovernment encouraged doctors to prescribe generic versions of common drugs instead of the more expensive brand-name versions.
出现有招外的其他招，无关
E. After price increases were prohibited, some foreign manufacturers of expensive drug ceased marketing them in Voronia.
外国药商，无关
answer: A
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