An example of repetition in Whitman's free verse poem, "I Hear America Singing," is:

A. Lines 15, 16: "The delicious singing of the mother, or of the young wife at work,"

B. Lines 12: "The woodcutter's song, the ploughboy's on his way in the morning, or at noon..."

C. The repetition of the word "singing" throughout the poem: "hatter singing," "America singing."

An example of repetition in Whitman's free verse poem "I Hear America Singing" is the repetition of the word "singing" throughout the poem. It emphasizes the celebration of labor and the diversity of American workers.

Explanation:

An example of repetition in Whitman's free verse poem, "I Hear America Singing," is option C: the repetition of the word singing throughout the poem: "hatter singing," "America singing." Repetition is a commonly used literary technique in poetry to emphasize certain ideas or themes. In this case, the repeated word "singing" highlights the celebration of labor and the diversity of American workers, who all contribute in their own way.

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