Which of the following is TRUE about Legitimate Peripheral Participation (LPP):
a. Participants on the periphery of a community of practice can apprentice their cognitive activity under the guidance of more central participants.
b. All members of a community of practice strive for an inbound trajectory of increasingly legitimate participation.
c. LPP is most effective when a participant in a community of practice figures things out on their own.
d. All of the above.