IRB's Have Been Criticized by Some Researchers in Psychology

IRB's have been criticized by some researchers in psychology. Which of the following is an often-heard and serious criticism?

A) there is no appeal process to protect researchers from overzealous IRB's
B) IRB procedures slow down the research process
C) because psychologists have always had a keen sensitivity to ethical issues, IRB's are not really needed
D) IRB's should be made up of research scientists only-nonscientists just don't get it