In the Context of Prejudice,which of the Following Illustrates Stereotyping

In the context of prejudice,which of the following illustrates stereotyping?

A) Miguel tends to depend primarily on a single source of information when making important decisions.
B) Seán believes that his friend Angel is a good athlete because she is from Africa and all Blacks are good at sports.
C) Myra sympathizes with her brother when he gets poor scores in science because he was ill on the day of the exam.
D) Ella believes that she will win a jackpot this year because she had won a lottery the previous year.