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.
Answer:
A
Explanation:
Because it is helping us to learn the functions of eye contact.
Because it is informing us how we use eye contact when don't know.
Because it is informing us when to see that something is happening to someone through eye contact.
Because it is informing us that it is also a way of communicating to people