Two Assets Have the Following Expected Returns and Standard Deviations

Two assets have the following expected returns and standard deviations when the risk-free rate is 5%:
Asset A E(r_A) = 10% σ_A = 20%
Asset B E(r_B) = 15% σ_B = 27%
An investor with a risk aversion of A = 3 would find that ________ on a risk-return basis.

A) only asset A is acceptable
B) only asset B is acceptable
C) neither asset A nor asset B is acceptable
D) both asset A and asset B are acceptable