Which of the Following Statements Is True of Acute Stress

Which of the following statements is true of acute stress disorder?

A) It is diagnosed when symptoms arise within one month of exposure to a stressor and last no longer than six months.
B) The sufferer of acute stress disorder persistently avoids reminders of the trauma and is constantly aroused, but does not reexperience the trauma.
C) To receive the diagnosis, individuals must exhibit at least one dissociative symptom.
D) In acute stress disorder, dissociative symptoms are common, including detachment, derealization, and depersonalization.