This sign indicates danger due to...

This sign indicates danger due to...
A)slippery road surface due to snow.
B)the proximity of a section of road with frequent rockfalls and the presence of obstacles on the carriageway.
C)the proximity of a section of road with reduced visibility due to fog, rain or snow.Correct
This sign indicates the danger due to the proximity of a section of road where traffic is hindered by reduced visibility caused by fog, rain, snow, smoke, etc.
It should not be confused with the slippery road surface or falling rocks sign.