Answer: The Blackfriars Theatre.
Explanation: Following the information presented in the given excerpt from "The Time Traveler's Guide to Elizabethan England" we can see that the order in which the theaters were built and opened is first the "The Rose" it was built in 1587, followed by "The Swan" in 1595, "The Blackfriars Theatre" in 1596 (but it opened in 1599), was the theater that opened last, so the correct answer is The Blackfriars Theatre.
An allusion is a reference to a literary character from a well-known work (for example, Frankenstein, Sherlock Holmes, Biblical characters, etc.). This allows a writer to avoid having to explain all the finer points of his character, by simply pointing the reader to another well-known character. The answer is D.