Final answer:
Rainsford's dialogue suggests that he knows a lot about hunting, feels sympathy for the animal, and does not wish he had been with the hunter.
Step-by-step explanation:
Based on the given information, Rainsford's dialogue suggests that he knows a lot about hunting (Option A) and feels sympathy for the animal (Option B), but it does not indicate that he wishes he had been with the hunter (Option C). In the passage, Rainsford talks about various aspects of hunting, such as knowing about birds, their behaviors, and their habitats. He also gives Sylvia a jack-knife as a treasure, showing his knowledge and interest in hunting. However, his conflicting feelings about hunting animals are evident when he kills birds, which Sylvia finds contradictory to his apparent affection for them. Therefore, we can conclude that Rainsford has knowledge about hunting and has mixed feelings about it.