The correct answer is plot. Theme is the work's main idea (the "why" of the work), and there usually are more themes in a single work. Narrator is the "I" of the story, someone who tells it. The setting is the "when and where" of the story, the time-place frame. The plot is the "what" - what happens.
The Answer should be B. Credentials as going by it's definition and all.
I think you should put paratheses around it.
Answer:
There are 4 seasons
Explanation:
They are spring, summer, fall and winter
Spring is more beautiful and lively
When its hot, probably engage in swimming
