A is the answer. B has a 'plural verb' and a singular subject, as does C. D has a plural subject and 'singular verb'
The themes are grief, negativity, and depression. You can see this through the mood of the protagonist and the overall mood of the story.
Throughout the story, the moon dies. At the beginning of the story, she is bright and vibrant. However, at the end of the story, the narrator describes her saying, " Her once ivory skin was now crumpled...her arm...was thin and interrupted by bruised veins." Slowly the darkness of the night is taking over. The narrator describes her fading when he says, "she was dimming...Soon, I could only see a shimmer of white." At the end of the story the moon dies and leaves behind a few embers of "silvery, sparkling dust" which give the narrator hope.
