Answer: C. optimal mix of the risk-free asset and risky asset
Step-by-step explanation:
Risk aversion simply has to do with how people curtail risk and this is done through the preference for the outcomes that have low uncertainty than those that have high uncertainty.
An investor's degree of risk aversion will determine his or her optimal mix of the risk-free asset and risky asset even if they've access to the same risk-free asset and also the same investment opportunity set of risky assets.