A Major Criticism of Blumer's Interpretation of Crowd Behaviour Is

A major criticism of Blumer's interpretation of crowd behaviour is that:

A) the idea of contagion exaggerates the unanimity of collective behaviour.
B) it assumes that participants in crowds are acting rationally.
C) empirical evidence in support of Blumer's argument is biased.
D) it underestimates the effect of spontaneous norm generation.
E) it overstates the role of reactionary stimuli.