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 irony is that they are smiling with “torn and bleeding hearts”.
The idea it emphasizes is that they are smiling to hide their pain.
The overall message revealed by the irony is that they are in considerable emotional turmoil and faking happiness to mask their distress.
The answer is A.hope this helps.<span />
Definition/Explanation Clues. Sometimes a word's or phrase's meaning is explained immediately after its use. ...
Restatement/Synonym Clues. Sometimes a hard word or phrase is said in a simple way. ...
Contrast/Antonym Clues. ...
Inference/General Context Clues. ...
Punctuation.
