At a STOP sign, must we stop?

At a STOP sign, must we stop?
A)Yes, always giving way.Correct
B)Yes, when there is no visibility.
C)Yes, when there are no pedestrians.
A STOP sign indicates the obligation for every driver to stop their vehicle at the next stop line or, if there is none, immediately before the intersection, and to give way at it to vehicles travelling on the road being approached.