According to Markowitz (1959),if All of the Portfolios That Satisfy

According to Markowitz (1959) ,if all of the portfolios that satisfy the mean-variance criterion are identified,and investor preferences can be modelled,then the portfolio chosen by an investor is that combination of __________ that maximises expected utility.

A) risk-free assets
B) risky assets
C) risk-free and risky assets
D) all of the above