Concept:Administrative units are organised hierarchically from smaller divisions to larger ones.
Explanation:Local government areas are the smallest political subdivisions in a country.
When several local government areas are combined, they create a larger administrative unit known as a state.
A town is a smaller settlement and usually falls within a local government area.
A village is even smaller than a town.
A megapolis refers to a continuous urban region, not an administrative unit formed by merging local governments.
Therefore, the correct administrative body formed from combining several local government areas is a state.
Answer:A. State