I believe it is both formal and uplifting. Hope this helps :)
Answer: if you understand the book that would help. a summary would help.
Explanation:
Mood is the emotional landscape of a work. In other words, it is how you feel when you read it. In “The Masque of the Red Death,” “The Tell-tale Heart” and “The Raven,” Poe uses macabre imagery and rhyme to create a suspenseful and spooky mood.
Letter c) is the correct answer