Two assets have a correlation coefficient of -1.0. If you combine these two assets in a portfolio ________.

A. there will be some combination of the two assets that produces a portfolio with no risk at all

B. all combinations of the two assets will result in portfolios that are completely free of risk

C. the portfolio return will be 0% because the returns on one assets exactly offset the returns on the other asset

D. the benefits of diversification are minimal