Which of the Following Is an Example of a Policy

Which of the following is an example of a policy?

A) Before going on a leave of absence, fill up the application form available on the company's online leave management system. All applications will be approved/rejected within two days by the employee's immediate supervisor.
B) Employees working with power tools must wear safety glasses at all times.
C) Smoking and the consumption of alcohol are strictly prohibited inside the work premises.
D) We are an equal opportunity employer with a diverse workforce. We do not discriminate against employees and applicants on the basis of sex, race, color, religion, national origin, age, disability, marital status, sexual orientation or veteran status.