While reversing, you notice a warning signal from another vehicle. What should you do?

A)Complete the manoeuvre as quickly as possible.
B)Signal the manoeuvre using the hazard lights.
C)Stop the vehicle, abandoning the manoeuvre if necessary.Correct
The reversing manoeuvre must be carried out with the utmost caution, stopping the vehicle as quickly as possible upon noticing the proximity of another vehicle, person, or animal, or as soon as safety requires it, abandoning the manoeuvre if necessary.