US Drug Enforcement Admin

During a local visit from and to my Medical staff and apothecary a form DEA 222(audit) was being conducted. Reason, unknown. Although the incident occurred at 9am - by 4pm I was rudely rebuked from even allowing a single word. Understandingly, they need no public in the pharmacy during the audit. As a licensed RPh-T , was I in error to ask anything? It seemed so.......