Answer:
The title of the poem "If" begins many of the lines. This shows the importance of trying to follow the speaker's advice: if the son can do all of these things, says the speaker, he will be a man. Repeating "if" also helps the poet stress that nothing is certain in the world.
p.s i just took the test and its the sample response!
The last one is your best bet
When you use imagery in poetry it helps you to visualize it more or better.
Visual effect of poetry.