In a Whole Circle System, the Bearing of a Line

In a whole circle system, the bearing of a line is measured

A) always clockwise from the south point of the reference meridian towards the line right round the circle
B) clockwise or anticlockwise from the east or west whichever is nearer the line towards north or south
C) clockwise or anticlockwise from the north or south whichever is nearer the line towards east or west
D) none of the above