Which of the following activities qualifies for Continuing Education Unit (CEU) credit according to the provided criteria?
A) Attending a scientific poster session, lecture, panel, symposium, or university course that does not meet Class I criteria; CEU credit is one hour per contact hour of activity
B) Serving as a clinical education instructor for an accredited PT or PTA educational program; CEU credit is one hour per 8 contact hours
C) Participating in a non-academic advanced clinical internship as a mentor or a learner for a formal mentorship
D) Engaging in self-instruction from reading professional literature
