Which character is the best example of a tragic hero?

A. A small boy who is kidnapped and forced to become a slave grows up to be a mighty warrior and fights to free the other enslaved people of his country.

B.After he is murdered by his ambitious son, an aging king returns as a ghost in order to haunt his son and cause him to regret his actions.

C. After cruelly clawing his way to power, a king is haunted by those he has harmed along the way and realizes he has lost everything.

D. A young prince who is sent to a prison tower to live out the rest of his life enviously watches life pass him by and plots his revenge.