单选题 According to CFA Institute Standards of Professional Conduct, members must preserve the confidentiality of information received from a client unless: A. the information pertains to an impending tender offer. B. the client has also provided the information to another member. C. the member is aware of illegal activity by the client.

【正确答案】 C

【答案解析】Standard Preservation of Confidentiality: Members shall preserve the confidentiality of information communicated by clients, prospects, or employers concerning matters within the scope of the client-member, prospect-member, or employer-member relationship unless the member receives information concerning illegal activities on the part of the client, prospect, or employer.