I believe the answer is A., though it's been a while since I read the story.
A Pun means playing with words that sound alike or have more than one meaning. Therefore, 'single' and 'sole' are used as puns in these lines. A pun adds a comedic effect and a sense of irony to the passage. Sometimes it also creates a mockery effect in the passage.
<h3>What is a Pun?</h3>
A Pun means to use the meaning of the words interchangeably to crack a joke or to make a satire.
William Shakespeare has used single and sole as a Pun here. Mercutio is saying that Romeo has cracked a silly joke, the fine skin of the pump (shoes) is all worn out, and the joke is the only thing he is left with. This has created a sense of humor and comedic effect in the passage.
Therefore, 'single' and 'sole' are used as puns in the passage which are creating a humorous effect in the passage.
Learn more about 'pun', here,
brainly.com/question/1113675
Could you explain better in the comments?
