What is the maximum speed at which you are allowed to drive on a dual carriageway with a motorhome with a MAM less than 3500 kg?

A)100 km/h.
B)120 km/h.Correct
C)90 km/h.
Cars, motorcycles, motorhomes up to 3500 kg MAM and pick-ups may drive on motorways and dual carriageways at a maximum speed of 120 km/h.
When the MAM of motorhomes is greater than 3500 kg, their maximum permitted speed on motorways and dual carriageways will be 90 km/h.
When the MAM of motorhomes is greater than 3500 kg, their maximum permitted speed on motorways and dual carriageways will be 90 km/h.