On a two-way carriageway there is a refuge island in the centre. Which side is permitted for travel?

On a two-way carriageway there is a refuge island in the centre. Which side is permitted for travel?
A)Either side, indiscriminately.
B)The left side of the refuge island.
C)The right side of the refuge island.Correct
When refuges, islands or guide devices are present on the road, traffic shall pass to the right of these, in the direction of travel, except when they are located on a one-way road or within the section corresponding to a single direction of travel, in which case either side may be used.