I believe it would be option A, it states that his father believes that he is a traitor and his tone and language suggests anger and resentment at the fact that his son is joining
こんにちは!私は君が英語を学ぶのを手伝うことができる。 でも私は韓国人なので日本語が分かりません(笑)
Answer:
is this a riddle im sorry
Explanation: