Brendan Witt, CFA, is a sell-side analyst within a research team covering companies in the technology sector. The team reaches a consensus to recommend selling a mining company after long time debating. Witt does not agree with the team's investment conclusion and believes the mining company is a potential target of takeover. According to the Standards of Professional Conduct relating to diligence and reasonable basis, which of the following statements is most accurate Witt must:（）

单项选择题Geoff Whitman, CFA, is a portfolio manager for Adam Trust Company, managers many accounts of high-net-worth individual clients. Carol Cochran, One of Whitman's clients, proposes to Whitman that any year that my portfolio achieves at least 20 percent return before tax, you and your family can fly to Monaco at my expense and use my condominium during the second week of January. Whitman tells his supervisor about the term of the agreement and asks Cochran to send a similar email to Whitman's supervisor. The supervisor replies with an email to Whitman and Cochran approving the agreement. Has Whitman most likely violated the Standards（）

A. No.
B. Yes, relating to independence and objectivity.
C. Yes, relating to additional compensation arrangement.

单项选择题Wesley Whitcomb, CFA, participated as a CFA examination grader in 2012. Prior to participating in grading CFA examinations, Whitcomb was required to sign a CFA Institute Grader Agreement drafted by CFA Institute stating that graders are not to reveal or discuss the exam materials with anyone except CFA Institute staff and other graders. Several weeks after the conclusion of the CFA exam grading, Whitcomb returns to his office and is having dinner with several colleagues some of who are the Level Ⅲ candidates in the CFA Program. One of the candidates mentions that he is very disappointed about his examination this time and afraid of failing for the exam because he unintentionally made a calculation mistake when answering the first essay question of investment policy statement. Whitcomb responds by telling the candidate that he was a grader for the 2012 examination and that it would be unfortunate if the candidate did give wrong answer to that question because most candidates scored very well on that question. Did Whitcomb violate the Standards of Professional Conduct when he told the candidate that:（）

A.A
B.B
C.C