This sign indicates...
A)that parallel circulation is permitted.
B)the entrance to a two-lane motorway or dual carriageway.
C)a one-way road with two lanes.Correct
This sign indicates the presence of a one-way road. The number of arrows indicates the number of lanes the roadway will have. If only a single arrow appeared on the sign, it would only indicate that the road is one-way, but not the number of lanes.