Which of the Following Is True of Dispersals of Gatherings

Which of the following is true of dispersals of gatherings?

A) Dispersals are defined by the arrival of the police.
B) Dispersal can refer to someone leaving a party because she or he suddenly becomes ill.
C) It is common for people to want to make sure that everyone knows they are dispersing from an event.
D) Dispersals are necessarily forced exits-for example, when bad weather interrupts a party, or when a fire starts in a restaurant.