Under Canadian Legislation, What Can We Conclude About Stakeholders' Responsibility

Under Canadian legislation, what can we conclude about stakeholders' responsibility for employee health and safety?

A) The organization has the sole responsibility for employee health and safety.
B) It is a coworker's responsibility to ensure that an employee is behaving safely.
C) Joint health and safety committees are required by law for certain workplaces in certain provinces
D) Immediate supervisors are deemed to be 90% responsible for employee health and safety.