Stopping is prohibited...
A)in the vicinity of pedestrian crossings.
B)in the vicinity of intersections.
C)where it causes risk or obstruction to traffic.Correct
Stopping is prohibited in places where it causes risk or obstruction to traffic, even if there is no sign prohibiting it.
Stopping is also prohibited at pedestrian crossings, but not in their vicinity.
Stopping is also prohibited at intersections and in their vicinity, but only if it hinders the turning of other vehicles, or on interurban roads if it creates danger due to lack of visibility. Therefore answer c), to be correct, should include these conditions.