Final answer:
The lesson in "The Fox and the Crow" is about the dangers of naivete, emphasizing the need for D)critical thinking when faced with flattery, to avoid negative consequences.
Step-by-step explanation:
The lesson taught in "The Fox and the Crow" is that trusting flattery without critical thinking can lead to negative consequences.
This fable involves a cunning fox who compliments a crow with cheese in her beak, prompting the crow to sing and drop the cheese, which the fox then promptly steals.
The moral here is that one should be D)wary of flattery and not let it cloud one's judgment,
illustrating the dangers of naivete and the importance of discernment when dealing with others, particularly those who might have ulterior motives.