The Lower the Family Income, the Greater the Economic Pressures

The lower the family income, the greater the economic pressures and the greater the stress between parents - which leads to harsher parent-child interaction. It follows that

A) the children of these families will never be seen by society as 'successful'.
B) the harsher the interaction, the lower the children's self-confidence and achievement.
C) these parents are often reported to child protective services.
D) the introduction of wealth will ameliorate the harsh parent-child interactions.
E) with luck and hard work, the children will go on to achieve great success.