问题
单项选择题
The Standards of Professional Conduct relating to market manipulation prohibits members from:（）
A. securing a controlling, dominant position in a financial instrument to exploit and manipulate the price of a related derivative and/or the underlying asset.
B. undertaking transactions on legitimate strategies based on perceived market inefficiencies.
C. both securing a controlling, dominant position in a financial instrument to exploit and manipulate the price of a related derivative and/or the underlying asset and undertaking transactions on legitimate strategies based on perceived market inefficiencies.
答案
参考答案：A
解析：
禁止市场操纵的标准并不是用来阻止交易的，而是基于认识到市场缺乏效率而采取的正当的交易策略，所以行为的目的是判断是否违反该标准的重点。市场操纵分为信息上的操纵和交易上的操纵。
