Giving the smallest amount of detail
The answer to your question would be prohibited as it does mean to be forbidden or not allowed to and on this sentence is saying that since it was too noisy it was impossible to study.
I would go with D) It helps show the author's voice because the author is saying that the person is making him sad at night so u could say he is opening his feelings.
Answer:
on monday ; for cheating city businessmen
Explanation: