When the background of orientation signs is yellow, it indicates that you are driving on...
A)a road for automobiles.
B)a particularly dangerous section of road.
C)a section of road under construction.Correct
The yellow background on orientation signs indicates that you are driving on a **section of road under construction**. This colour is specifically used to signal areas of construction, repair or maintenance of the road. Yellow signs warn the driver that they must be alert to possible changes in driving conditions and to the presence of machinery or workers on the road.