Improv comedy is an unpredictable art form; its reliance on audience participation makes it distinctly different from ______________________.
Which choice completes the text so that it conforms to the conventions of Standard English?
stand-up routines or scripted plays
those of stand-up routines and scripted plays
stand-up routines or a scripted play’s structure
how stand-up routines are performed
Correct Answer: A
Choice A is the best answer. The sentence compares "Improv comedy" (art form) to "stand-up routines" (art forms).
Choice B is incorrect because "those" (plural) has no clear antecedent. Choice C is incorrect because it compares "comedy" to a "structure." Choice D is incorrect because it compares "comedy" to a clause describing performance.