单选题：Today many countries are

题目分类：卫生类
题目类型：单选题
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题目内容：

Today many countries are A．trying to find their own ways to measure happiness.
B．using the principles of GNH to measure their progress.
C．working together to develop a common scale to measure GNH.
D．taking both Bhutan and Brazil as symbols for social progress.

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答案解析：

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在XYZ股票的上述交易中，他获得（　　）。A．行权150美元的亏损 B．行权150美元的盈利 C．将期权卖出平仓，权利金买卖差价损益为300美元 D．将期权卖出

分类：卫生类题型：单选题