Answer: B) betrayal and forgiveness.
Explanation: In literature, the theme is the underlying message of a story, it is what critical belief about life is the author trying to convey in the writing of a novel, play, short story or poem. Usually this belief, or idea, is universal and transcends cultural barriers. In the given excerpt we can see developed the theme of betrayal, because Antonio tries to kill his brother Prospero, and also the theme of forgiveness, because at the end, Prospero forgives Antonio.