This sign indicates...

A)Danger due to obstruction on the road.
B)Danger due to slippery pavement.Correct
C)Danger due to a side step toward the right.
The sign in the question indicates danger due to the proximity of a section of road whose pavement may be very slippery. We do not know the cause.
Do not confuse it with the following two signs:
Do not confuse it with the following two signs: