Suppose the Mother of a 4-Week-Old Infant Claims That Her

Suppose the mother of a 4-week-old infant claims that her infant displays interest, happiness, and fear.Based on current research evidence, is this mother's claim valid?

A) Yes, because infants first begin to display distinct emotions at about 4 weeks old.
B) Yes, because even newborns display these particular emotions.
C) No, because even trained observers cannot reliably identify distinct emotions in infants that young.
D) No, because fear and interest are not evident in infants that young.