When a writer refers to another piece of literature like this it is called an
2 answers:
The answer is allusion because an allusion is when an object or circumstance from unrelated context is referred to directly or indirectly.
You might be interested in
<span>B. entertain help this help</span>
Jim and Della love each other
The answer is Busy. because Busy describes the current happening? I guess.
I think he may be right. But I have not read the whole thing, so I may be wrong.