Aggravated abetment can be found within the public

[A] when the act was done by any one of the ten or more members present

[B] when the act was done by one of the seven members while collecting funds from other public

[C] while a person affixing a poster on the wall specially called attention of an assembly of five persons to protest against police excesses.

[D] when an un-named member of a fluctuating population incite others to undertake a strike to stop train movement