Which statement is correct regarding the domains DSM-5 evaluates in the Clinician- Rated Dimensions of Psychosis Symptoms Severity?

A. The scale assesses only the three most important domains of hallucinations, delusions, and disorganized speech.
B. The scale is based on symptoms experienced by the pt in the previous 7 days.
C. The scale is most accurate if pts, rather than clinicians, provide the responses.
D. The scale should only be completed if the clinician is certain of the symptom severity.