Which Statement Best Describes Those Serving on an Institutional Review

Which statement best describes those serving on an Institutional Review Board (IRB) ?

A) They are randomly selected employees of the institution.
B) They are exclusively tenured faculty members.
C) They are made up of representatives from the community, corporations, faculty members, administrators, and students.
D) They usually comprise people who have research experience themselves and therefore have experience that enables them to judge whether the research being proposed follows reasonable ethical guidelines.