Which One of the Following Distinguishes a Minimum Variance Portfolio

Multiple Choice

Which one of the following distinguishes a minimum variance portfolio?

A) lowest risk portfolio of any possible portfolio given the same securities but in differing proportions
B) lowest risk portfolio possible given any specified expected rate of return
C) the zero risk portfolio created by maximizing the asset allocation mix
D) any portfolio with an expected standard deviation of 9% or less
E) any portfolio created with securities that are evenly weighted in respect to the asset allocation mix