At a Police Station, the Witness of a Hit-And-Run Accident

At a police station, the witness of a hit-and-run accident remembers the first two numbers of the license on the car involved.To increase her chances of remembering the other numbers she should

A) read a list of randomly selected license numbers to jog her memory.
B) go home and rest, trying again after she has calmed down.
C) write down several possible license numbers and see which ones she recognizes.
D) immediately return to the site of the accident.