What theme does Christina Rossetti explore in her poetry?

Christina Rossetti's poetry often explores the theme of devotion to God, reflecting her deep Christian faith and spirituality. Throughout her work, she grapples with concepts of love, redemption, and the divine, frequently considering the relationship between humanity and the divine. This thematic focus is evident in her well-known poem "Goblin Market," where spiritual salvation and moral dilemmas play crucial roles, as well as in her devotional poems that express her longing for a closer connection to God. While her work may touch upon other themes, such as the complexities of love and longing, it is her unwavering devotion to God that often stands central in her literary contributions, making this the most fitting choice among the options presented.