Answer:
Read below. This is based on personal experiences.
Explanation:
If someone insults another enough in their native language, it may eventually grow on the person and indirectly help the person further understand said foreign language.
It's effective to us because this happens many times in real life, for me as a Californian resident, I've experienced many times where people would curse at me or belittle me in Spanish, and I have a greater understanding of the language because of that. Since this is legitimate, that technically means it captivated the reader utilizing Ethos.
It gives comic relief, probably.
If the underlined words are to practice hard the answer is C
