Which is the best explanation of how two of the themes from Hamlet interact in the passage?

Which is the best explanation of how two of the themes from Hamlet interact in the passage?

a. The passage shows that granting forgiveness is a futile act, and revenge is a powerful ally.
b. The passage shows that you should be wary of too much curiosity because someone might take revenge.
c. The passage shows that since everyone dies in the end anyway, revenge is a reasonable alternative.
d. The passage shows that revenge is destructive, particularly when you are unable to discern the truth.