The answer is: The poem is loosely structured and contains repetition.
This option is incorrect. "I Hear America Singing" by Walt Whitman does not follow a rhyme scheme. Instead, it is written in free verse, which is characterized by its lack of consistent meter patterns, rhyme, or any other musical pattern.
This option is correct. The poem is written in free verse, which means it does not have a strict structure. However, it does contain repetition, particularly in the use of the word "singing" and the structure of the lines that describe different workers and their songs.
This option is incorrect. The poem does not have a strict structure or specific rhythm. It is an example of free verse, which allows for a more natural flow of language without adhering to a specific metrical pattern.
This option is incorrect. While the poem does include repetition, it does not have a strict structure. The use of free verse allows for a more fluid and open form, which is a hallmark of Whitman's style.