I believe it to be C. Longing
forgive me if it is wrong
4 because The third-person point of view belongs to the person (or people) being talked about. The third-person pronouns include he, him, his, himself, she, her, hers, herself, it, its, itself, they, them, their, theirs, and themselves. ... You're left with the third person.
Summer doesn't need to capitalize cause it is a Generic Noun