Final answer:
The prediction confirmed by comparing the stone lions to the king in 'Where the Mountain Meets the Moon' is that they will tell where the Old Man in the Moon lives, as they are both regarded as wise entities.
Step-by-step explanation:
In the story “Where the Mountain Meets the Moon,” the prediction that is confirmed by comparing the stone lions to the king is most likely D. Since the stone lions and the king are wise, they will tell where the Old Man in the Moon lives. The stone lions and the king are presented as figures of wisdom and authority, and in many stories, such wise and powerful beings are often the ones who provide guidance or crucial information to the protagonists. This aligns with the overarching theme of the story where wisdom and knowledge are to be sought for important quests.