What Example Was Used in the Text to Exemplify an Acting

What example was used in the text to exemplify an acting crowd?

A) The FLQ Crisis in Quebec in 1970, also known as the "October Crisis."
B) The Vancouver riots after the Vancouver Canucks lost the Stanley Cup in 2011.
C) The "Oka Crisis" in Quebec in 1990.
D) The gathering of people at Lac Megantic in Quebec after the oil bearing train cars exploded in the center of the town