The cones in the photograph ...

The cones in the photograph ...
A)are only used to mark a new lane.
B)take priority over all other signs.
C)take priority over all other signs, except those of authority officers.Correct
The order of priority among the different types of traffic signs is:
- Signals and orders from traffic officers.
- Circumstantial signage that modifies the normal conditions of road use, such as cones, and fixed delineator signs.
- Traffic lights.
- Vertical traffic signs.
- Road markings.