A Patient with Vascular Dementia Does Not Remember Family Members

A patient with vascular dementia does not remember family members' names. The family insistently reorients the patient, and the patient becomes more agitated. What is the most likely reason for the patient's reaction? The patient is:

A) using agitation to distract the family from the cognitive deficits.
B) overstimulated by the reorientation and reacting negatively.
C) reliving family chaos that was previously unresolved.
D) experiencing guilt about the memory deficits.