Answer: B) It shows how sensitive to change prisoners may be.
Explanation: A hyperbole is a type of figurative language that consists in exaggerating an event or a statement. In the given excerpt we can see an example of hyperbole in the phrase "...who could hear the splash of the drop of water that every hour fell from the roof of his dungeon." This hyperbole shows how sensitive to change prisoners may be, so the correct answer is option B.
In my opinion its the fact that your brain can work like a computer and how it processes information that it receives from the senses and body, and sends messages back to the body.