Final answer:
B. The subject of the poem is love unto death and beyond. Based on the stanza and context provided, the poem appears to deeply explore themes of love and death, suggesting a subject that is aligned with love persisting unto death and beyond, rather than love being conclusive at death or merely the sublimity of love.
Step-by-step explanation:
The stanza presented indicates a deep connection between the poet and the themes of love and death. The reference to the poet's obsession with death and how it was a constant reminder of what was lost suggests that the poem aligns closely with option OB: the subject of the poem is love unto death and beyond. From the details provided, it is clear that the poet's contemplation of death is intertwined with the memory of her mother's love and possibly her cultural heritage, which connects to themes of love and loss beyond the physical existence.
Includes references to poets exploring human existence and emotions such as love are mentioned, which points towards themes that relate to Romantic poetry. This period was known for its emphasis on emotion, nature, and the sublime. Thus, the poem could potentially reflect the ideas and values from the Romantic period, reaching to a theme of love that transcends even death (option D).
However, the information appears insubstantial to fully deduce option D as the subject. Thus, while sublimity and transcendent love are a possibility, the stronger evidence provided aligns with love persisting through and beyond life, which suggests option OB is the most apt choice based on the context provided.