The correct options are
A Has administrative headquarters like municipalities, corporations, and military cantonments.
B Offers better job opportunities in industries and the service sector.
C Most of the professions practised are not related to agriculture.
Urban settlements have several characteristics that differentiate them from rural settlements. Usually, administrative headquarters, like municipalities, are found in urban areas. The occupations practised in cities or towns are not directly related to agriculture and are non-agricultural whereas, in rural settlements, almost all occupations are agriculture-based. Urban settlements usually have better job opportunities and better infrastructure than rural settlements.