Jerome Believes That Police Officers Are Racist,power-Hungry,control Freaks

Jerome believes that police officers are racist,power-hungry,control freaks.A new neighbour,who is nice,level-headed,and generally concerned about the welfare of others,moves into his apartment building.Only later does Jerome find out that his new friend is a police officer.As a result,he forms a new and different stereotype of "young professional officers." His thinking best reflects

A) subtyping.
B) subgrouping.
C) the group-serving bias.
D) the fundamental attribution error.