According to a Longitudinal Study on Temperament, Which Followed Participants

According to a longitudinal study on temperament, which followed participants into adulthood, which infant is most likely to change from infancy to age 4?

A) Yolanda, who is exuberant and easygoing
B) Michaela, who is inhibited and fearful
C) Nellie, who is fussy and unpredictable
D) Paulette, who is sometimes positive and sometimes fearful