Concept:The civil service is the permanent administrative machinery of government.
Explanation:The civil service is responsible for carrying out the day-to-day business of government.
It forms part of the executive arm of government.
Its main duty is the formulation and implementation of government policies and programmes.
Civil servants are permanent officials who serve whichever government is in power.
They are not required to support any political party or mobilise political support.
Therefore, executing government policies is their primary function.
Answer:A. implementing government policies