Which of the following statements offers the best characterization of a Greek tragedy ?

• A. In a Greek tragedy, evil people are vanquished by the forces of good.
• B. In a Greek tragedy, characters undergo reversals of fortune, usually for the worse.
• C. In a Greek tragedy, the hero suffers but always survives at the end of the play.
• D. In a Greek tragedy, the tragic hero dies at the end of the play.