A 32-Year-Old Woman Is Brought to the Physician by Her

A 32-year-old woman is brought to the physician by her husband, who is concerned about herabnormal behavior. Last week, she quit her job to start a clothing company. Since then, she has not slept more than 2 hours per night because she has been working on her business plans. Over this same period, she began hearing a voice telling her that she is " The God's of investment " and will need to sacrifice her life. She is not currently taking any medications and uses a copper intrauterine device for contraception. She appears unkempt and agitated while pacing up and down the room. She speaks very quickly about her business ideas, without pausing. She has no suicidal ideation or thoughts of self-harm. Which of the following is the most likely diagnosis in this patient?

A) Bipolar I disorder with psychotic features
B) Bipolar II disorder
C) Brief psychotic disorder
D) Delusional disorder
E) Schizophreniform disorder
F) Substance-induced psychotic disorder