Final answer:
The central theme of the poem 'The First Snowfall' is the sadness and loss experienced by the speaker.
Step-by-step explanation:
The central theme of the poem 'The First Snowfall' is 2) The sadness and loss experienced by the speaker. The poem explores the emotions and memories associated with the first snowfall after the death of the speaker's daughter. The speaker reflects on the beauty of the snow but also the sadness and longing it brings for his lost loved one.