Which of the Following Statements Describes a Whistleblower

Which of the following statements describes a whistleblower?

A) An employee is unhappy because his company is downsizing.
B) An employee tells the Consumer Product Safety Commission his company falsified safety reports on a child's car seat.
C) A salesperson for a hardware wholesaler tries to sell insurance to his regular customers in order to earn some extra income.
D) An employee loses her retirement fund due to a downturn in the stock market.
E) An employee spends the afternoon studying at work for her test rather than counting inventory as she was supposed to be doing.