Final answer:
The best example of slant rhyme is option D. 'I attest that the chest is the best in the West.'
Step-by-step explanation:
The best example of slant rhyme is option D. 'I attest that the chest is the best in the West.' Slant rhyme, also known as near rhyme, is when two words have similar but not identical sounds. In this example, 'best' and 'chest' have similar ending sounds but are not perfect rhymes. This creates a subtle and imperfect rhyme, making it a slant rhyme.
Learn more about Slant rhyme in English poetry