C) This suggests that <u>nothing lively</u> has really ever occured in the city.
This "italicized" part of the sentence is an adjectival dependent clause. It acts as an adjective to the word motorist and cannot stand alone without putting it with an independent sentence, such as "The motorist lost his way."
Answer: I would say the best answer choice in my opinion would be letter 
or “so that the audience can understand the motivations of the characters in the play.”
Explanation: Hope this helps! Have a fantastic day! <3
