Answer:
I believe it is Trauma- and Stressor-Related Disorders
Explanation:
If you think about it, PTSD is when someone has a hard time recovering themselves after experiencing or witnessing an terrifying event. Difficult time after experiencing a tragic life event , nightmares about the events is the symptoms of PTSD. When someone experience a event that is traumatic, it could take a long time in order to recover themselves from that event. Bipolar disorders and Schizophrenia Spectrum disorders is talking about certain episodes or mania. So that scratches both of them out. Disruptive, Impulse Control and Conduct Disorders is the type of disorders that involves with behavior issues, such as anger, impulsive act/behavior or even acts violently towards someone or something. Which means that it is the disorder that when someone behaves aggressively or is extremely angry to people. This is the disorder when someone has trouble controlling their emotions especially their angers. Therefore, the only answer that is left is Trauma- and Stressor-Related Disorders.
Remember A, B, and D talks about the disorders about episodes/ manias and emotions. So, C is the correct and final answer. I hope you find this information very helpful next time you see any similar questions about this.