How must the loading and unloading operation be carried out, whether of persons or goods?

How must the loading and unloading operation be carried out, whether of persons or goods?
A)Quickly, but only in areas where it is permitted.
B)With correct signalling, and it may be carried out on any side of the vehicle.
C)Without causing danger and, if possible, on the side of the vehicle closest to the edge of the carriageway.Correct
Loading or unloading operations must be carried out off the road. Exceptionally, when it is unavoidable to carry them out on the road, they must be performed without causing danger or serious disruption to other road users and taking into account the following rules:
The provisions on stopping and parking must be observed and, in built-up areas, those issued by the municipal authorities regarding appropriate times and places.
They shall be carried out, as far as possible, on the side of the vehicle closest to the edge of the carriageway.
They shall be carried out with sufficient means to achieve maximum speed, endeavouring to avoid unnecessary noise and inconvenience.
It is prohibited to deposit goods on the carriageway, hard shoulder, and pedestrian areas.