Answer:
The answer is D.
Step-by-step explanation:
Lower-order settlement is a settlement which spans a relatively small area populated by low number of people. This kind of settlement tends to have only basic services provided (general hospitals, school, church, post office, grocery stores, newspapers...).
A large farm and a gas station can be found in even in villages, a big-box department store nowadays are being opened in even in smaller towns. However, big specialized hospital centers are usually found only in big cities.