Who Is Most Likely to Make an Accurate Identification

Who is most likely to make an accurate identification?

A) Andy,who is shown an array of mug shots and asked to stop,think,and analytically compare their faces
B) Phil,who makes his identification in less than 10 seconds
C) Ken,who spends 5 minutes looking through mug shots before making his identification
D) Vinny,who is asked to identify someone of a different race