Which of the Following Is NOT True as It Pertains

Which of the following is NOT true as it pertains to the stages of a group?

A) The tasks of a group leader are different for each stage.
B) Understanding the typical patterns during the various stages of a group provides a useful perspective for predicting problems and intervening in appropriate ways.
C) The stages in the life of a group flow neatly in a predictable way.
D) Knowledge of critical turning points of a group is essential for a leader.