From a road safety point of view, the chassis and bodywork have the function of...

A)improving aerodynamics, promoting economical driving.
B)protecting pedestrians in the event of a collision.
C)absorbing the maximum amount of energy produced in an accident.Correct
The chassis and bodywork, as passive safety elements, protect the vehicle's occupants by absorbing part of the energy released in a collision and thereby reducing the risk of them suffering serious injuries.