Who Is Most Likely to Be Experiencing Bonding

Who is most likely to be experiencing bonding?

A) Five-hour-old Derek and his mother Bo, who are cuddling.
B) Five-month-old Demi, who is watching her son Moore take his first step.
C) Five-year-old Scarlett, who is playing catch with her new adoptive dad Johansson.
D) Fifteen-year-old Penelope, who is on a first date with a boy that she really likes named Cruz.