Which of the Following Is an Example of Stereotype Threat

Which of the following is an example of stereotype threat?

A) Kyoung Lae is aware of the stereotype that Asians are good at math and as a result,he performs well on a math test.
B) Joanna is aware of the stereotype that females aren't strong in the maths and sciences,so she goes out and performs well in those areas.
C) Jamal is aware of the stereotype that black students don't do well in school and as a result,he struggles on his academic tests.
D) Franklin,an older gentleman,is aware of the stereotype that elderly people move at a slower pace and as a result,he walks even faster.