The answer is D. Considered the right way to believe or do something.
Answer:
D. considered the right way to believe or do something.
Explanation:
A norm is a certain way of behaving or beliving in somthing that is considered the right way of doing it acording to a certain society, for example, it is a norm in China to take off your shoes before entering a house, this is the right thing to do and is become a norm,