Metaphor: because there is a comparison between the treasures spread on the ground and the evil seed of Adam drifting from the shoreline
The answer to this question is A
D, because virtuos means to have good morals and cheating would go against those morals.
He gives a reason for this that from innocence the forefathers "grew" their safety rather than by "power and genius" perhaps meaning that having a good heart and meaning well for other people results in more "safety" in life than "power and genius" which brings to mind the demise of Conrad Black who sought Power and Genius I would say (perhaps as an addiction to power) that it led him to break the law and end up in jail.
I believe that the answer is the third option.