Based on line 4, the function of the allusion is to convey an information: that the lovers were oblivious to the world around them.
<h3>What is an allusion?</h3>
In English literature, an allusion is a type of literary device and it can be defined as a reference in a text to a well known text, place, person, event, or thing.
This ultimately implies that, allusion avails an author the opportunity to compress (embed) a great deal of meaningful and significant information into a phrase or word such as "she felt like she had a golden heart."
In conclusion, the function of the allusion might best be understood to convey an information <u>references</u> the fact that the lovers were oblivious to the world around them.
Read more on allusion here: brainly.com/question/2427003
