Outside built-up areas, what lateral clearance must a motorcycle leave when overtaking a truck?

Outside built-up areas, what lateral clearance must a motorcycle leave when overtaking a truck?
A)A distance proportional to the speed at which they are travelling.
B)A clearance they consider safe based on the circumstances of the moment.
C)A clearance of no less than 1.50 metres.Correct
When a two-wheeled vehicle overtakes any other vehicle outside a built-up area, the lateral clearance must in all cases be no less than 1.50 metres. This margin must also be respected with pedestrians, animals, and animal-drawn vehicles.
Likewise, all other vehicles must leave that lateral space when overtaking two-wheeled vehicles.

When overtaking takes place inside a built-up area and the vehicle being overtaken is not a cycle or moped, a lateral safety margin proportional to the speed and to the width and characteristics of the road shall be left.
If we overtake a cycle or moped we must maintain 1.50 metres of lateral clearance, just as we do outside built-up areas.
Pedestrians in built-up areas:
When overtaking a pedestrian in a built-up area, we shall leave a lateral safety margin proportional to the speed and to the width and characteristics of the road.