Answer:
I think answer would be c, but I'm not 100% sure.
Explanation:
The theme of revenge starts off very early in the play when Hamlet speaks with the ghost of his dead father and when the ghost tells Hamlet how Claudius murdered him which Hamlet was extremely angry and overtaken with feelings of responsibility to right the wrong that he been done to murder Claudius
Anyone, poetry isn't a source which not everyone can access. If this wasn't the intention of the question be sure to notify me. ( If you're asking me the question, yes. )
A. He regrets that he has acted so stubbornly and has caused his grandsons to suffer.
