What does this sign indicate?

What does this sign indicate?
A)Dangerous bend at 1.3 kilometres.
B)Succession of dangerous bends for 1.3 kilometres.
C)Succession of dangerous bends at 1.3 kilometres.Correct
The sign indicates a succession of dangerous bends close together, the first of which is to the right.
The complementary panel below it indicates the distance to the start of the danger. If the panel is found with 2 arrows, it indicates the length of the dangerous stretch, in which case the panel would be as follows: