Which Is Not a Typical Characteristic of Bullying

Which is not a typical characteristic of bullying?

A) The behavior is intended to harm or disturb a less powerful victim, one who is smaller, weaker, or unable to defend himself.
B) The behavior occurs repeatedly over a period of time.
C) The bully is acting out of jealousy.
D) The bully chooses a time when winning is almost certain, such as when there is no one present with the authority to intervene.
E) The bully often has one or more allies present.