Ethologists have identified in some species certain sequences of behavior called fixed action ...

Ethologists have identified in some species certain sequences of behavior called fixed action patterns. Which of the following is false about fixed action patterns?
 
  (a) Social scientists have found nothing like them in human behavior.
  (b) The behaviors that comprise them appear to occur in a regular, automatic fashion.
  (c) They are stimulated primarily by a trigger feature of a situation rather than that situation as a whole.
  (d) Most of the time, fixed action patterns produce behavior that is appropriate to the situation.