Which of the following would most likely be stated by proponents of the dual control model of sexuality?

a. Hailey, a heterosexual woman, is attracted to one type of man in one-night stands and a different type of man for long-term relationships.

b. Greg and Stacey started kissing, then began touching then eventually had intercourse.

c. Oliver likes relationships with multiple partners while his brother Brad has chosen the more traditional one-partner-at-a-time approach.

d. Luke's sexual responses are influenced by the balance between neurobiological, environmental, and cultural processes that activate and suppress sexual responses.