Read the excerpt below and answer the question. SHE dwelt among the untrodden ways Beside the springs of Dove, A Maid whom there were none to praise And very few to love: A violet by a mossy stone Half hidden from the eye! --Fair as a star, when only one Is shining in the sky. She lived unknown, and few could know When Lucy ceased to be; But she is in her grave, and, oh, The difference to me! (Wordsworth, “She Dwelt Among the Untrodden Ways”) Which option best explains how the choice of the word oh in the final stanza contributes to the poem’s meaning? It was selected to maintain the line’s iambic structure. It was selected to establish assonance in the line. It was selected to stress the poet’s sense of loss. It was selected to create a regular end rhyme.