What is atmosphere in literature? the attitude of a text toward the subject and theme
the emotional response a text generates from a reader
the author's opinion of the subject and the audience
the narrator's perspective in relation to the characters

B. the emotional response a text generates from a reader

Explanation:

Basically, the author creates the atmosphere in literature using description. Atmosphere helps readers to experience the story more vividly and realistically. Readers might connect more deeply to the story since these description allows them to experience the same things as the characters. Becoming more involved with the story brings emotional response from the reader making the reading experience more complete and compelling.

yea and yea x.x i love them =^-^=