Extramarital Sex Is Considered More Damaging Than Infidelity Among People

Extramarital sex is considered more damaging than infidelity among people who are living together because ________.

A) cohabiting couples who cheat on their partners break a religious promise to be faithful
B) those who engage in extramarital sex break a civil contract
C) emotional fidelity is more important for cohabiting couple than for married couples
D) emotional infidelity violates expectations of trust in committed relationships