SAT Question 14b7dced: Text Structure And Purpose answer and explanation

English - Text Structure And Purpose - Overall Text Structure
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The following text is from Walt Whitman’s 1860 poem “Calamus 24.” I HEAR it is charged against me that I seek to destroy institutions; But really I am neither for nor against institutions (What indeed have I in common with them?—Or what with the destruction of them?), Only I will establish in the Mannahatta [Manhattan] and in every city of These States, inland and seaboard, And in the fields and woods, and above every keel [ship] little or large, that dents the water, Without edifices, or rules, or trustees, or any argument, The institution of the dear love of comrades.
10
Difficulty:Medium
Which choice best describes the overall structure of the text?