单选题 The particular portfolio on the efficient frontier that best suits an individual investor is determined by: A. the individual's asset allocation plan. B. the beta of the market at that particular time. C. the individual's utility curve.

【正确答案】 C

【答案解析】The optimal portfolio for each investor is the highest indifference curve that is tangent to the efficient frontier. The optimal portfolio is the portfolio that gives the investor the greatest possible utility.