All of the Following Statements Accurately Reflect Research on Adolescent-Sibling

All of the following statements accurately reflect research on adolescent-sibling relationships, except:

A) companionship, nurturance, and support are regular features of adolescent-sibling relationships.
B) adolescent-sibling relationships involve more conflict than adolescent-friend relationships.
C) adolescent-sibling relationships are characterized by a large increase in sibling rivalry.
D) the quality of adolescent sibling relationships is affected by the quality of the parent-child relationship.