Answer:
C). Gloomy.
Step-by-step explanation:
Mood is described as the literary device that is employed by the author to create an atmosphere or surrounding through the use of words as well as descriptions that assists in evoking the intended feelings or emotions from the audience.
The given passage from Edgar Allan Poe's famous poem 'The Raven' demonstrate a 'gloomy' mood as it creates an emotional setting that elicits the feelings of despair, grief, and pessimism which is reflected through the words like 'bleak December', 'dying ember', 'ghost', 'surcease of sorrow', 'sorrow for the lost Lenore', etc. Thus, option C is the correct answer.