Which of the Following Is a Demonstration of Heteronormativity

Which of the following is a demonstration of heteronormativity?

A) Denise is extremely attracted to her co-worker Tracey and makes suggestions about the two of them going away together.
B) Josh and his fellow church members embrace and promote the stance that heterosexuality is the only right and normal form of sexual expression.
C) Bruce is a fully functional male but identifies as a female.
D) Luke really likes his classmate Leanna and asks her to go out for dinner and a movie.