What lighting must a vehicle parked at night on the shoulder of an insufficiently illuminated through-road keep on?

A)None, since it is parking within a built-up area.
B)The high-beam lights and the emergency lights.
C)The position lights, which may be replaced by parking lights.Correct
At night, on the shoulder of an insufficiently illuminated through-road, a parked vehicle must keep the position lights on, which may be replaced by parking lights if the vehicle has them. This is important to increase the visibility of the vehicle and avoid accidents with other drivers.