What Does Your Textbook Have to Say About Children Observing

What does your textbook have to say about children observing disagreements between their parents?

A) It is unhealthy, as it can lead to a fear of conflict.
B) It is to be avoided at all costs, as it is positively correlated with mental health issues in adolescence and emerging adulthood.
C) When handled constructively, disagreements can actually lead to positive outcomes in children as it promotes family cohesion and dealing with life's problems.
D) It is something that should be actively pursued so that children learn to "fight fairly." In fact, parents should actively look for occasional opportunities to disagree so their children can learn from it.