What is the officer indicating?

What is the officer indicating?
A)It requires all road users to stop.
B)It requires vehicles approaching the officer head-on to stop.
C)It requires all road users approaching the officer to stop.Correct
It requires all road users approaching the officer to stop, except drivers who cannot do so safely.
The stop must be made before the nearest stop line or, failing that, immediately before the officer.
At an intersection, the stop must be made before entering it.
After this signal, the officer may indicate, where appropriate, the place where the stop must be made.