Answer:c. psychological disorder, less severe
Explanation:The term psychological disorder , usually this is a term used to refer to mental disorder or psychiatric disorders. Mental disorders occurs when someone has some constant patterns of behavioral or psychological symptoms which greatly affect how they normally function on daily basis , this may be in one's work or school or family . It cause an individual to feel greatly distressed.
Courtney is distressed cause she is desperately sad and can't concentrate and as a result this has affected her normal daily life that he can't even copy e school work. It hasn't been less severe because she hasn't yet been a threat to herself in away that she may need to be hospitalized.