Jihae is a student upon whom Mr. Phillips expends a tremendous amount of time and energy. He understands that she has had some life experiences that have left her withdrawn and suspicious of others' motives. He seems undismayed that Jihae treats him somewhat coolly and dismissively. This aspect of Mr. Phillips' relationship with Jihae is most reflective of his commitment to which of Elkind's implicit adult-child contracts?
a. achievement-support
b. responsibility-freedom
c. loyalty-commitment
d. industry-identity