What Is True If an Employee Makes an Access Request

What is true if an employee makes an access request to his employer for any personal data held about him?

A) The employer can automatically decline the request if it contains personal data about a third person.
B) The employer can decline the request if the information is only held electronically.
C) The employer must supply all the information held about the employee.
D) The employer must supply any information held about an employee unless an exemption applies.