Answer:.A. amnesia with fugue
Step-by-step explanation:
This is a dissociative disorder known as amnesia with fugue ,it occurs when someone forget their identity or other important particulars of who they are .
It may cause a person to wander around to places where they will not remember how they got there .
It may be for a few days,months or a year but when they recover from it they return to their normal self.
All their memory comes back intact.
When their memory has returned they may not require any treatment.