I would say the correct answer is D. It shows the effects of Macbeth’s actions on himself, his wife, and the kingdom of Scotland. Even while depicting very particular events and characters, Shakespeare always draws a more general, political point. It happens in Giulius Caesar, Hamlet, King Lear, Macbeth, and many other tragedies. Macbeth's transgression is not just a single, isolated flaw of an individual. It tells us a general story about power and its wide effects.
