Could the moped overtake the tractor?

A)Yes, but without leaving the hard shoulder.
B)No, under no circumstances.
C)Yes, provided that the duration of the parallel travel of the vehicles does not exceed 15 seconds, or the distance covered in that manner does not exceed 200 metres.Correct
Vehicles required to travel on the hard shoulder, except bicycles, are prohibited from overtaking if the duration of travelling in parallel exceeds 15 seconds or the distance covered exceeds 200 metres.