Research on the Link Between Facial Expressions and Emotions Has

Research on the link between facial expressions and emotions has shown that

A) changes in facial expressions are not linked to physiological changes that are associated with emotions.
B) infants and adults worldwide express basic emotions with similar facial expressions.
C) in the first few weeks of life, infants produce social smiles.
D) infants' facial expressions do not change in a predictable, meaningful fashion until around the first birthday.