Which of the Following Statements Best Describes the Activities of a Whistle-Blower

Which of the following statements best describes the activities of a whistle-blower?

A) A motorbike company's employees were sorry that 150 of the 10 million bikes the company sold had caught on fire.
B) A motorbike company's research engineers proved that the spate of fires in the company's bikes was the result of consumers' tinkering with the engine.
C) A former motorbike company's employee owned one of the company's bikes that caught on fire and slightly burned its rider.
D) The Consumer Product Safety Commission investigated fires of a motorbike company's products and ordered a recall to repair all of the 10 million units that had been sold.
E) A motorbike company's employee reported to the Consumer Product Safety Commission that the company knowingly manufactured an electrical system for the bikes that would catch on fire after prolonged use.