David Beckham, CFA, is a portfolio manager at a hedge fund company. David has an arrangement with a close friend who is an investment consultant, whereby he refers clients who need investment advice to the friend, who in turn refers clients to Beckham. Beckham believes there is no referral fees involved, and he does not disclose this arrangement to his existing or prospective clients. Has Beckham most likely violated the Standards（）
A. No.
B. Yes, only by failing to disclose the arrangement to his prospective clients.
C. Yes, both by failing to disclose the arrangement to his existing clients and to his prospective clients.
参考答案：C
解析：
根据推荐(产品或服务)费的相关条款，会员和考生必须向他们的雇主、客户和潜在客户披露，其由于推荐产品或服务而从他人处收到的或支付给他人的任何报酬、津贴或利益，不管该报酬、津贴或利益是金钱上的还是非金钱上的。该题中虽然是利益交换并不涉及金钱，但CFA会员和考生也要向客户和潜在客户披露其由于推荐给他人服务所获得的好处。