Research About Differential Parenting Has Concluded That High Levels of Differential

Research about differential parenting has concluded that high levels of differential parenting impact children in which of the following ways?

A) Favored children come to feel greater love for their parents than unfavored children.
B) Favored and unfavored children will show equally high levels of disturbance.
C) The further apart in age the favored and unfavored children are, the more jealous the unfavored children feel.
D) Female children are more likely to be favored than male children.