The answer is C. Serious, he's not frustrated or stubborn, or being mean or nice, he's just being straightforward and serious
Could you please explain what you’re asking better so I can help you ?
Internalization
It means that it is accepting or absorbing an idea, opinion, belief, etc
I think this is fine the way you have it, any questions about just ask. :)♡
I am pretty sure his intended target was othello <span />