Answer:
A. repetition
Explanation:
This is an example of repetition. In this poem, Wordsworth uses the idea of loneliness and solitude several times. The author repeats the same concept several times in order to give emphasis to the idea and highlight its importance. Alliteration refers to the repetition of sounds, while naturalism and plagiarism are not rhetorical devices.
The first one is correct. "Be careful, because the floor is wet," he warned.