In "The feather pillow" by Horacio Quiroga when the parasites don't have a human to feed on they usually are small, they are parasites of feathered creatures. This parasite, in particular, has been feeding on Alicia's blood, that is why it became so monstrous. We learn about this in the last parragraph of the story.
The waves crashing, the land splitting
The chaotic mess the wind is making
A volcano awakens
The brothers and sisters of natural calamities
It is the voters (the s at the end) everyone isn't a plural it is indefinite.
The right answer for the question that is being asked and shown above is that: "d. hot-headed young men." Abram and Balthasar, who appear in Scene i, are examples of d. hot-headed young men. The roles they portray are being as hot-headed person.