Final answer:
Aristotle holds contemplation to be the most virtuous activity as it exercises reason, the unique function of humans, and leads to eudaimonia or human flourishing. Friendship and social relationships contribute to this but ultimately serve to support contemplative activities.
Step-by-step explanation:
According to Aristotle, the most virtuous activity for human beings is d.contemplation.
Aristotle believed that the highest good and the end goal of human life is eudaimonia, or human flourishing. Such flourishing is achieved not simply through transient pleasures or successes, but through the cultivation of virtues and engagement in activities that fulfill our rational nature. Contemplation, or theoria, is considered the highest form of activity because it involves the use of reason, which is unique to human beings. Contemplative activity allows individuals to engage with the most divine aspects of themselves and the world, leading to a more profound fulfillment than can be provided by other types of activities, such as the pursuit of pleasure or utility. Aristotle places a significant value on the rational aspect of the soul and sees the rational activity of contemplation as the fullest expression of what it means to be human. Friendship and social relations are also critical for Aristotle because they contribute to eudaimonia, especially when they foster mutual growth in virtue. However, even perfect friendships serve in part to aid in contemplation, as they provide a context for contemplating virtuous actions.