When you encounter these signs, what must you do?

When you encounter these signs, what must you do?
A)Travel on the side indicated by the arrow, being able to pass on the left side if you observe that no vehicle is approaching from the opposite direction.
B)Obey the most restrictive sign.
C)Pass without fail on the side indicated by the arrow, because entry on the left side is prohibited.Correct
The sign on the left prohibits all types of vehicles from travelling in both directions. The sign on the right indicates with the arrow the side of the refuge that vehicles must pass on.