Which One of the Following Statements Regarding Customer Satisfaction Is

Which one of the following statements regarding customer satisfaction is correct?

A) the average business does not hear from 85 percent of its unhappy customers
B) for every complaint received, 9 or 10 people actually have the same problem
C) complainers are more likely to do business with you again than noncomplainers
D) the average person with a problem tells more than 20 people
E) customers who have their complaints resolved tell an average of 26 people