What does this sign mean?
A)That we will encounter several different dangers.
B)That we will encounter a danger different from those warned of by other signs.Correct
C)That there is a danger caused by an immobilized vehicle on the road.
This sign indicates the proximity of a danger different from those warned of by other signs, without specifying concretely what danger it is.
If we encounter a vehicle obstructing the road due to a breakdown, accident, etc. we could be warned with the following sign: