Several Explanations Could Be Provided in Relation to the Dynamics

Several explanations could be provided in relation to the dynamics of collective behavior. Which of the following explanations is not valid in relation to the dynamics of collective behavior?

A) When people can communicate quickly and easily with one another, spontaneous behavior is more likely.
B) When people are gathered together in several locations, they are more likely to respond to a common stimulus.
C) When people are gathered together in one general location, they are more likely to respond to a common stimulus.
D) People's attitudes are not always reflected in their political and social behavior.