Why Do Evolutionary Psychologists Propose to Explain the Biases Associated

Why do evolutionary psychologists propose to explain the biases associated with person perception

A)  Physical attractiveness was associated primarily with friends and not foes. 
B)  There was an ancestral need to make rapid judgments about outgroup members. 
C)  Physical attractiveness was associated with the youthfulness of males. 
D)  There was an ancestral need to carefully evaluate the behaviour of others.