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当前学科:第三章宏观经济分析
题目:
单选
在金融指标中,关于货币供给量说法正确的是()。
A . 货币供应量是一个流量的概念
B . 货币供应量是一定时期的变量
C . 货币供应量是一个内生变量
D . 货币供应量是一个时点的变量
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