The correct answer choice that explains an accurate conclusion based on the poem's structure is:
It is a litany poem in which the speaker, a father, uses second-person narration to give advice to his son.
This choice aptly captures the poem's format and intent, as "If" is indeed structured as a series of conditional statements (a litany) delivered in the second person, addressing the speaker's son directly and offering life advice. The poem does not adhere to the structure of a sonnet, nor is it organized into quatrains with a consistent rhyme scheme as implied in some of the other options.