What Is the Difference Between a Social Movement and Collective

What is the difference between a social movement and collective behavior?

A) Collective behavior tends to be spontaneous and short-lived. A social movement is an enduring period of collective action oriented to a particular goal.
B) Social movements are organized and premeditated action. Collective behavior is often random and chaotic.
C) There is no difference between collective behavior and social movements.
D) Both a and b, but not c
E) None of the above