The concept of de-individuation was linked,in particular,to what aspect of the Matti Baranovski murder?

A) The people passing by in their cars were aware of the presence of other bystanders in the area.
B) Matti's assailants wore masks.
C) Matti's assailants had come to the park with the intention of fighting another group.
D) The youth who attacked Matti had never seen him before.