An Institutional Review Board (IRB) Is Defined by Which of the Following

An institutional review board (IRB) is defined by which of the following?

A) A group of highly paid individuals who monitor ongoing research studies to ensure that research participants are protected.
B) A group of individuals who review applications for university research positions to insure that only ethical researchers are hired.
C) A peer/community review committee of volunteers who review and monitor the feasibility of research studies.
D) A peer/community review committee who volunteer their time to review research proposals and monitor ongoing research studies to ensure participant protection.