Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) If the market is strong-form efficient it must also be weak-form efficient and semi-strong efficient.
B) There is evidence to suggest that the market is strong-form efficient because corporate insiders have made extraordinary profits by trading on inside information.
C) The Efficient Market Hypothesis states that security prices will be based on their expected return.
D) none of these choices are correct.