The correct option is
C exposes organizational wrongdoing
Whistle blowers are individuals who expose corruption and fraud in organizations by filing a law suit or a complaint with Government authorities that prompts a criminal investigation in to the organizations alleged behavior.
Whistle blowing means calling the attention of the top management to some wrongdoing occurring within an organization. A whistle-blower may be an employee, former employee or member of an organisation, a government agency, who have willingness to take corrective action on the misconduct.
A whistle-blower is a person who publicly complains concealed misconduct on the part of an organization or a body of people, usually from within that same organisation. This misconduct may be classified in many ways: for example, a violation of a law, rule, regulation and/or a direct threat to the public interest, such as fraud, health/safety violations, and corruption. Whistle-blowers frequently the face retaliation - sometimes at the hands of the organisation or the group which they have accused, unless a system is in place that would ensure confidentiality. In addition, people are more likely to take action with respect to unacceptable behavior within an organization, if there are complaint systems that ensure confidentiality and indemnity.