Respuesta :
Well a state is a state of being in that moment. A trait is a characteristic that you may have forever. At first I think this is C. a little of both because as you notice she is in a bad mood but she continues this mood after that one day, and you can see that sentence that gives you your answer : "She is almost always irritable." Almost always means it's a trait. A. trait is your answer.
Hoped I helped!
Hoped I helped!