Which of the Following Is an Example of Whistle-Blowing

Which of the following is an example of whistle-blowing?

A) Niobi, an employee of Glesnt Co., complains to her project manager about the sexual advances that Brent, her supervisor, makes on her.
B) Rupert files a product liability suit against SilkSmooth Co., a shampoo manufacturer, because its use caused his hair to fall.
C) Joan, an employee of Pierce International-a financial services firm, reports illegal accounting practices to the Security and Exchange Commission.
D) Linda files a complaint to the Employee Equal Opportunity Commission against Jueruie Co. after she was rejected in the interview based on her gender.
E) Noa, a customer of Cone Inc., complains about the bad customer-service it received for the products.