I’m not sure if this exactly answers your question, but some eyebrows are raised at his dilemmas (morality tests) because the only people tested were 10-16 year old boys that had never been in the situations that were presented to them. Overall his dilemmas could be a reason why people question his theories. Other than this reason I am not aware of another reason why people would question his stages of moral development.
The answer is d short of the non volley line in the opponents court
Usually metric in milliliters
"Danger Zone" (40 °F - 140 °F)