Read the Following Scenario and Answer Questions

Read the following scenario and answer questions.
Employment in the fast food industry (e.g. McDonalds, Tim Hortons, Wendy's, and so on) is a way of earning money for everyone from teenagers to senior citizens. The long hours of operation lend themselves to a series of shifts that fit the needs of students, homemakers, and retired persons. While rare, the possibility of workplace violence exists in this industry and no one who works there is immune.
-What would be the most representative example of Type 4 workplace violence at a fast food restaurant?

A) an angry customer shouting at the cashier
B) a former employee attacking their supervisor
C) a former girlfriend/boyfriend texting someone 50 times in a shift
D) a robber waving a weapon and asking for all the money in the cash drawers