Please show the passage so we can help you.
I would say the correct answer is B. hyperbole.
Hyperbole is a figure of speech that authors use when they want to exaggerate things. So this 'vegetable love' cannot possibly grow larger than empires - the poem just wants to demonstrate the power and intensity of this love by using the figure of hyperbole. A paradox would include two completely opposite things, and <em>vast </em>and <em>slow </em>are not opposites.
Answer:
A(n) Allusion is a reference to anything, but a(n) Literary allusion is a reference to a work of literature.
sorry im late but here's the answer. have a nice day :)