Which of the Following Is TRUE with Respect to Parenting

Which of the following is TRUE with respect to parenting and self-reported happy and unhappy couples?

A) Unhappy couples are more likely to be satisfied with the amount of attention they focus on their marriage (as compared to the amount of attention they focus on their children) ,than happy couples.
B) Because of the larger amount of conflict in the home,unhappy couples are more likely to agree on how to discipline their children than happy couples.
C) Happy couples are more likely than unhappy couples to agree on about how to share the responsibilities of child rearing.
D) All of these are true.