Based on CFA Institute Standards of Professional Conduct, which of the following statements is a violation of Standard Ⅰ (C), Misrepresentation（）
A. A young trainee bond trader tells a prospective client that she can assist the client in all the client’s investment needs: equity, fixed income, and derivatives and based on her years of experience as an analyst in the business that an investment looks like it has lots of potential.
B. A trust officer recommends lengthening the average maturity of a bond portfolio because she believes long-term interest rates will decline over the next few months.
C. An investment manager recommends to a prospective client an investment in GNMA bonds because they are guaranteed by the federal government.
参考答案：A
解析：
CFA Institute members, CFA charter holders, and CFA candidates are prohibited from misrepresenting their services or qualifications and inappropriate assurances about any investment or its return.