Which of the Following Is an Example of Bullying

Multiple Choice

Which of the following is an example of bullying?

A) Martin's co-workers are always teasing and criticizing him.
B) One of Martin's co-workers stole his lunch and nobody would admit to it.
C) Martin's boss was upset about a mistake he made and called him an idiot.
D) Martin arrived at work one day to find that his tools were missing.
E) One of Martin's co-workers punched him in the face.