Which One of the Following Examples Is Most Consistent with the Textbook's

Which one of the following examples is most consistent with the textbook's definition of a misbehavior?

A) Ashley is chewing gum in art class.
B) Brian is doodling in the margins of his notebook as he takes notes on a lecture.
C) Caroline has forgotten to bring her lunch today and must borrow a dollar from a friend to buy a hot lunch.
D) Duncan is using a rubber band as a slingshot to hit other kids with small paper balls during music class.