The Nurse Is Completing a Patients Health History with Regard

The nurse is completing a patients health history with regard to potential risk factors for lung disease. What interview question addresses the most significant risk factor for respiratory diseases?

A) Have you ever been employed in a factory, smelter, or mill?
B) Does anyone in your family have any form of lung disease?
C) Do you currently smoke, or have you ever smoked?
D) Have you ever lived in an area that has high levels of air pollution?