Juan Experiences Symptoms of Sad Mood,increased Sleep,agitation,poor Appetite,and Concentration Difficulties

Juan experiences symptoms of sad mood,increased sleep,agitation,poor appetite,and concentration difficulties most of the day.Julia,on the other hand,has symptoms of loss of interest in activities,lethargy,increased appetite,feelings of worthlessness,and recurrent thoughts of death.What can be concluded regarding Juan and Julia?

A) Both Juan and Julia have major depression,and have it at a similar level of severity.
B) Juan has mania,whereas Julia has major depression.
C) Both have major depression,but it is unclear whether they are qualitatively part of the same class.
D) Both have bipolar I disorder.