Your answer is A. Hope this helps
Not 100% sure but its most likely the road of trials.
it better to be free because if you are safe there are restrictions but if you are free there aren't
Research frameworks can improve your research paper by giving real evidence from a professional, to show statistical data results OR direct quotes, rather than trying to persuade someone just with your own knowledge.
I would say the answer is D because and analogy is a comparison between two things