Can the hazard warning lights be used while the vehicle is in motion?

Can the hazard warning lights be used while the vehicle is in motion?
A)No.
B)Yes, when driving at abnormally low speed and with danger of being hit from behind.Correct
C)Yes, whenever deemed appropriate.
The hazard warning lights consist of the simultaneous operation of all the vehicle's direction indicator lights.
Its purpose is to warn of the danger posed by the position of the vehicle due to some emergency (breakdown, accident, etc.).
They must be used when in any emergency situation, both stopped and in motion (breakdown, accident, transport of injured persons, etc.) and when the minimum required speed cannot be reached and there is danger of being hit from behind.