Stan Is Uncertain About the Man He Identified as the Burglar

Stan is uncertain about the man he identified as the burglar in a police lineup.His confidence as the witness is most likely to increase after:

A) learning that he is the only eyewitness in the case.
B) being asked the same questions repeatedly.
C) viewing a thousand police mug shots of different burglars.
D) seeing the grainy,inconclusive security camera video of the burglar.