What example illustrates the interaction of monads in response to a physical sensation?

The correct choice is the example that illustrates the interaction of monads in response to a physical sensation. In this context, monads refer to the individual perceptions or experiences that a person has. The itch on the nose represents a physical sensation that occurs in the body, while the desire to scratch it reflects the mental response or perception of that sensation.

In this scenario, the itch itself is a sensory experience, and the desire to scratch is the mental acknowledgment and reaction to that sensation. This interaction highlights how monads — which can be thought of as both physical sensations and mental states — influence one another. The physical stimulus (the itch) prompts a mental response (the desire to scratch), showcasing the interplay between sensory experiences and cognitive reactions.

Other examples, though they may involve sensations and responses, do not encapsulate this direct interaction between a specific sensory experience and the immediate cognitive reaction in quite the same way. For instance, while hunger and the body's response or pain and emotional experiences do involve interactions, they do not exemplify the immediate or physical nature of the interaction between sensations and desires as clearly as the itch and the desire to scratch.