单选题 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.