Social Development During the First 2 Years of Life Is

Social development during the first 2 years of life is distinctive in that

A) social relationships in infancy are merely ones of convenience and do not include an emotional component.
B) infants have a much broader social world than older children and adults.
C) social relationships take much longer to be established in infancy than they do later in life.
D) the social relationships formed in infancy tend to have greater impact on a child's social and personality development than relationships formed later in life.