What should the driver do when encountering this sign?

A)Reduce attention, since all vehicles have right of way.
B)Immediately change lanes to avoid the area.
C)Exercise extreme caution and adjust speed in anticipation of possible lane-change manoeuvres.Correct
The sign warns of a conflicting section where vehicles commonly cross paths. The driver must increase attention, anticipate the movements of other road users, and adjust their speed, avoiding sudden manoeuvres.