What does the officer indicate?

A)Requires all road users approaching from the front to stop.
B)Requires all road users approaching to stop.Correct
C)Requires only drivers approaching to stop.
An officer with their arm raised indicates to all road users, both pedestrians and drivers, who approach from any side, whether from the front, behind, or laterally, to stop, except for drivers who cannot do so under sufficient safety conditions.
Other signals from officers:
- Arm or arms extended horizontally: requires road users approaching the officer from any direction crossing the one indicated by the extended arm or arms to stop, regardless of their direction of travel, and remains in force even if the officer lowers the arm or arms, provided they do not change position or perform another signal.
- Swinging a red or yellow light: requires road users toward whom the officer directs the light to stop.
- Arm extended moving alternately up and down: requires drivers approaching the officer on the side corresponding to the arm performing the signal and perpendicular to said arm to reduce the speed of their vehicle.
Other signals from officers:
- Arm or arms extended horizontally: requires road users approaching the officer from any direction crossing the one indicated by the extended arm or arms to stop, regardless of their direction of travel, and remains in force even if the officer lowers the arm or arms, provided they do not change position or perform another signal.
- Swinging a red or yellow light: requires road users toward whom the officer directs the light to stop.
- Arm extended moving alternately up and down: requires drivers approaching the officer on the side corresponding to the arm performing the signal and perpendicular to said arm to reduce the speed of their vehicle.