Final answer:
The theme 'living in the moment' in the story suggests that choosing an individual path, despite its risks, is essential to living a good life. While living in the moment does involve effort, risks, and can be undertaken alone, the full essence of the theme is best encapsulated by asserting that it requires effort.
Step-by-step explanation:
The theme of living in the present is explored in various philosophical and literary texts, often touching on the complexities and nuances of human existence. The story's theme seems to align with the idea presented in literary nonfiction that the examination of alternative ways of living, which may include solitary experiences away from society, can lead to personal truth and self-sufficiency. This theme echoes the concerns of philosophical texts such as the Bhagavad Gita and dialogues of Plato, which suggest that an individual's pursuit of their own path, even with its inherent risks, is fundamental to living a good life.
In this context, living in the moment is not portrayed as merely a childlike fancy or something to be undertaken in isolation, but rather as a significant life choice that carries both potential benefits and risks. The statements B and D, which suggest danger and solitude, might be partially true, but they do not capture the full essence of the theme. Instead, this theme underscores the importance of self-examination and the pursuit of wisdom as practices that foster a good life philosophy.
Thus, none of the presented options perfectly describe the theme; however, if one must be chosen, option A, Living in the moment requires effort, seems the closest, as it acknowledges the effort involved in this philosophical pursuit of a good life.