John and Gilbert Are Discussing About Dual-Earner Couples

John and Gilbert are discussing about dual-earner couples.John states that dual-earner couples generally share egalitarian relationships.However, Gilbert disagrees and argues that such relationships are rarely egalitarian.Which of the following accurate statements is most likely to strengthen Gilbert's argument?

A) In today's world, parenting is no longer gendered among two-income couples.
B) Spouses in dual-earner couples often work 60-hour weeks which leave them with little time to spend with their children.
C) Spouses in dual-earner couples have equal responsibility for domestic tasks, including child care.
D) Dual-earner couples rarely make equal domestic contributions.