How Can Cross-Race Identification Be Improved

How can cross-race identification be improved?

A) It cannot be improved.
B) Require people to move beyond snap judgments and pay attention.
C) When it is important enough,people will be motivated to do it successfully.
D) It usually can only be improved if people spend several months living in a community with people of a different race.
E) Set up a training program using a photo gallery and comparison techniques.