Who Among the Following Is Most Likely to Be a Bisexual?​

Who among the following is most likely to be a bisexual?​

A) Matt, a man, who is not sexually aroused by women, but fantasizes about being sexually intimate with his male colleague, John
B) Dave, a commitment-phobic young man, who has been sexually intimate with several women in his life
C) Jacob, a man, who is confused about his sexual identity and thinks he might be a woman trapped in a man's body
D) James, a young man, who is sexually intimate with his girlfriend Elaine as well as with his neighbor Mark, an older male