When a white unbroken separation line is marked on the roadway, is it permitted to overtake a vehicle that is lawfully driving on the road’s “hard shoulders”?

1. A Yes, but provided that the overtaken vehicle is a motorcycle.
2. B No, it is prohibited to overtake.
3. C Yes, but provided that the overtaking vehicle doesn’t cross the unbroken white line with any of its wheels.
4. D Yes, but only if the overtaking vehicle is slow.