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.
"She and her friends will go shopping at the mall"
nouns and pronouns in the subjective case are italicized. A noun in the subjective case is often the subject of a verb. For example: "The tree fell on my car", "the tree" is in the nominative case because it's the subject of the verb "fell".