Which of the Following Best Represents the Research Findings on How

Which of the following best represents the research findings on how sexual orientation is determined?

A) Genetic factors may be involved in determining one's sexual orientation.
B) Environment typically affects one's sexual orientation.
C) Although sex hormones determine when one will have sex, they are unrelated to with whom one will have sex.
D) A combination of cultural attitudes and parenting determine one's sexual orientation.