Well
1) Hamlet is a prince
2) Not only is he a prince, but he is the prince of Denmark
3) Something tragic is going to happen because it's the Tragic History.
The last choice is correct.
I've always been taught that revising involves checking for spelling, punctuation, and grammar. Basically any kind of improvements. Is this one of those questions where you check all that apply? Revising also includes making sure you have stayed on topic and gives you the chance to remove things that may not really apply or add other things that may have been left out. It's where the writer truly polishes everything up.
I hope this helps.
This line clearly represents a struggle between two individuals, making A the correct answer.
The conflict is based on the wrongs committed by one man to another.