Concept:Towns can be classified by their main function; headquarters of governments indicate an administrative role.
Explanation:Administrative towns are centres where government offices and decision-making bodies are located.
They usually serve as capital cities or regional headquarters of governments.
Market towns mainly promote trade and commerce.
Educational towns are known for schools and higher learning institutions.
Mining towns develop around the extraction of mineral resources.
Therefore, the description, headquarters of governments and usually capital cities, best fits administrative towns.
Answer:B. administrative towns