How does the structure of Whitman's poem the noiseless and patient spider contribute to the meaning of the poem

An extended metaphor provides the overarching structure for the poem. The speaker begins by describing a spider that “stood isolated,” but that “launch'd forth” its threads to make its web over and over again. The poem's second stanza then establishes that the spider is a metaphor for the speaker's soul.

Ithink the answer would be b