What Type of Customers Are Most Likely Known as "Customer

What type of customers are most likely known as "customer terrorists"?

A) customers who use their bargaining powers to purchase products at a cheaper price
B) customers who engage in shoplifting
C) customers who verbally communicate their bad experiences to others
D) customers who show a false sense of loyalty to a particular brand
E) customers who only buy the product if it is offered at an attractive price or with a promotional incentive