Which Is Most Likely to Reduce Womens' Stereotype Threat About

Which is most likely to reduce womens' stereotype threat about performance in the sciences?

A) information about successful women scientists such as Astronaut Mae Jemison or Mme. Marie Curie.
B) explaining how science is relevant to activities in which women are often successful, e.g., cooking or playing video games.
C) teaching them how stereotype threat operates to depress performance.
D) all of these have been effective.