Which of the Following Statements Best Describes the Efficient Markets

Which of the following statements best describes the efficient markets hypothesis?

A) If a market is strong-form efficient, this implies that the returns on a firm's bonds and stocks should be identical.
B) If a market is weak-form efficient, this implies that all public information is rapidly incorporated into market prices.
C) If your uncle earned a return higher than the overall stock market last year, this is evidence that the stock market is inefficient.
D) If a market is weak-form efficient, this implies that analyzing its past price history will not enable one to earn an above-normal rate of return on the stock in the future.