Answer:A)bipolar disorder.
Explanation:
Bipolar disorder is a mental disorder that is characterized with extreme moods resulting to high periods associated with mania and low periods associated with depression that causes an individual to experience unusual shifts in mood, energy, activity levels,fatigue and the inability tocarry out daily tasks.
Abigail's room mate, Rose is unusually energetic and optimistic even though she hasn't been sleeping much and highly distractible and delusionaland shows dign of depression the following week shows Rose is most likely to be diagnosed with__BIPOLAR DISORDER___ because she is exhibiting two extreme moods of mania and depression.