ethics 题目一道，求解答 involved, gambling, investment, companies, voluntary

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Based on his superior return history, Vijay Gupta, CFA, is interviewed by the First Faithful Church to manage the church's voluntary retirement plan's equity portfolio. Each church staff member chooses whether to opt in or out of the retirement plan according to his or her own investment objectives. The plan trustees tell Gupta that stocks of companies involved in the sale of alcohol, tobacco, gambling, or firearms are not acceptable investments given the objectives and constraints of the portfolio. Gupta tells the trustees he cannot reasonably execute his strategy with these restrictions and that all his other accounts hold shares of companies involved in these businesses because he believes they have the highest alpha. By agreeing to manage the account according to the trustees' wishes, does Gupta violate the CFA Institute Standards of Professional Conduct?

A. Yes, because the restrictions provided by the trustees are not in the best interest of the members
B. Yes, because the manager was hired based on his previous investment strategy
C. No