The answer is D: to suggest a familiarity and kinship with Walt Whitman and other outcasts.
In this excerpt, taken from Ginsberg´s A supermarket in California, he sings a strange ode to the great American poet, Walt Whitman, who, just like Ginsberg, many years before, helped build an identity for underground America —an America that was not the normal America, but one that then and now keeps flowing upwards like lava, both destroying and cementing a way of life, beauty, and art—, and who was, for personal reasons, an outcast, too.