The correct answer is C. Mood disorder or personality disorder.
Michael is not displaying any behavior that would be symptomatic of a psychotic disorder, eating disorder or impulse disorder. Sadness and refusing to socialize can be attributed to mood disorders such as depression and generalized anxiety disorder and personality disorders such as borderline personality disorder.
Coordination problems since walking with the hip or doing alot of movement. It would have cause an injury to your hip.
Mostly fish or aquatic animals can breath though there skin and or gills.
Hope it helped :)