Answer:
I would choose A but i don’t know the context before or after this sentence
Explanation:
Brooded means: Thinking deeply about something that makes someone unhappy
Because it really does a lot to your essay. It makes it sound a lot better and more advanced. It makes your essays sound more adult and not like children books. It makes it more mature.
B. It states that they are "alone together" and an oxymoron is two contradictory terms placed together.
I would consider it a mood because it can change over time.
EX: You can be enthusiastic one moment, then sad the next.
