Which Person Is Likely to Be Most Committed to the Group

Which person is likely to be most committed to the group

A) Janie, whose parents made her join the church youth group.
B) Todd, who paid $5 to join the anime club.
C) Elizabeth, who earned a spot in the honor society with good grades.
D) David, who went through a difficult audition process, and then pays high fees for his conservatory education.