A priority vehicle travelling on an emergency call shall be given right of way...

A priority vehicle travelling on an emergency call shall be given right of way...
A)always moving to the right side of the carriageway.
B)always stopping the vehicle on the left side of the carriageway.
C)taking appropriate measures according to the circumstances of the moment.Correct
As soon as they perceive the special signals announcing the approach of a priority vehicle, other drivers shall take appropriate measures, according to the circumstances of the moment and place, to give way to them, normally moving to the right or stopping if necessary.
With the light signal alone they already have priority and we must give way to them.