Read the extract below and answer the question .....I owe you much, and like a wilful youth That which I owe is lost: but if you please To shoot another arr...

The first line of the given excerpt illustrates a simile. The speaker compares himself to a "wilful youth" to express how careless and irresponsible he has been in repaying a debt owed to the person he is addressing. A simile is a figure of speech that compares two unlike things using the words "like" or "as". In this case, the speaker is using "like" to make a comparison between himself and a wilful youth, to emphasize his carelessness. Therefore, the correct answer is simile.