A man admittedto the hospitalbecomes angry with staff about staff quality and emphatically states the "most qualified" specialist in the hospital should be treating him. When theprovider enters his room, the patient inquires abouttheirqualifications and callsthem by their first name instead of addressingthem by their title. The patient then denies he has any deficits. This patient's personality disorder is classified in which cluster?

A. A

B. B

C. C

D. D