The answer is a) mental. you can’t visibly see someone considering something
Yes I believe that Balboa was a self-important man who was the first European to see the Pacific Ocean from land in Panama and I believe he was envious of Vespucci, Cristobal Colon and the Pizarro's who were mainly his contemporaries who were much more successful in their discoveries in finding the American continent, Brazil and Peru.
The theme of the poem Mother to son
I think it’s A