<span>I think the answer is C. Idealism. Idealism is a philosophy which centers on the man's idea and belief on the material things. Idealism helps men understand on how things came to be in the world. For many romantics, the idea of idealism helps them mold the rationality of man. It centers on how man can provide for himself as well as solve earthly problems</span>
This is indirect characterization, because the excerpt does not explicitly say he was mad at his grandmother. Instead, it gives an implicit clue that he is via body language.
