Final answer:
The main theme of the poem 'Things to Do if You Are a Subway' is A. Transformation and Identity.
Step-by-step explanation:
Theme of the Poem
The main theme of the poem 'Things to Do if You Are a Subway' is
Transformation and Identity
. The poem explores the idea of how a subway can become a metaphor for personal growth and transformation. It shows how the subway can be a space where individuals develop their own identities and navigate through the challenges of life.
The poem discusses how riding the subway can be a transformative experience that helps individuals discover their true selves.