How Might Siblings in a Family Affect One's Socialization Process

How might siblings in a family affect one's socialization process?

A) If there are a high number of children in a family, the parents are unable to offer as much support and control to each child at all times.
B) With larger families, parents have less time for rational, inductive explanations, and control may become coercive.
C) Families in which the children are spaced farther apart tend to be less frustrated and have more relaxed discipline.
D) The firstborn child typically gets more attention and stimulation from birth.
E) All of the above