Which Child Is Most Likely to Act Altruistically Toward Kgatello

Which child is most likely to act altruistically toward Kgatello, who is having a very difficult time learning how to skateboard?

A) Mandla, who is not very good at skating
B) Bella, who is feeling happy
C) Mpho, who was yelled at by one of the older kids on the half-pipe only minutes ago
D) Anele, who would have to miss her only ride home in order to help Kgatello