Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) A dominant portfolio has the best risk-return relationship as compared to other portfolios.
B) It is not necessarily true that when an investment achieves a high return that it is risky.
C) A low standard deviation means that the investment is less likely to achieve high returns; which means that is more risky.
D) None of these statements are correct.