Which Statement About Sibling Relationships Is True

Which statement about sibling relationships is true?

A) Siblings with parents who get along well tend to get along better with each other than do siblings with parents who fight with one another.
B) Siblings in divorced families tend to get along better than those in nondivorced families, as they tend to count on each other for support.
C) Perceived differential treatment by parents is typically not problematic in sibling relationships when it is the younger child who receives the better treatment.
D) Although children may be annoyed when parents favor their siblings, differential treatment is unlikely to affect sibling relationships.