There are a lot of literary allusions throughout the story, including the names of their pets. the cat was named marlowe after christopher marlowe. and the two birds were named after:

D). John Keats.

Explanation:

Literary allusions are exemplified as the indirect and succinct reference to a particular historical or cultural figure through an object, idea, or location in order to uplift the meaning and significance of the work that requires knowledge to understand it.

As per the question, the literary allusions of the two birds were named after the famous romantic poet 'John Keats' as the play indirectly refers to famous literary authors like 'Christopher Marlowe' and the poet 'John Keats' which requires the readers to have an idea(knowledge) of these literary legends and their works and traits to understand the story. Thus, it uplifts the significance of the story. Therefore, option D is the correct answer.

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