According to the "Double-Shot" Hypothesis of Sex Differences in Jealousy

According to the "double-shot" hypothesis of sex differences in jealousy,

A) men are more upset by sexual infidelity than emotional infidelity.
B) women are more upset by emotional infidelity than sexual infidelity.
C) men and women have different beliefs about infidelity.
D) women usually are twice as upset at second instance of infidelity