Final Answer:
This custom reflects a cultural emphasis on the king personally attending to the hospitality of his guests, showcasing values of leadership actively contributing to the well-being of those in his company. So, the correct answer is d) The mead-cup is served by the king, demonstrating his humility and generosity.
Step-by-step explanation:
King's Active Role: The practice of the king personally serving the mead-cup underscores the leader's active involvement in hospitality, showcasing a cultural value of direct engagement in the well-being of guests.
Symbolism of Humility and Generosity: The act of the king serving demonstrates humility and generosity, suggesting a cultural emphasis on leaders actively contributing to the communal experience and well-being of the community.
Therefore, the correct answer is d) The mead-cup is served by the king, demonstrating his humility and generosity.