What is a custom

A. A groups formal rules or laws that govern legal behavior
B. A special ritual only people from a particular culture are likely to understand
C. A special way of celebrating a cultural holiday or occasion
D. A groups traditional and widely accepted way of behaving or doing something

B. A special ritual only people from a particular culture are likely to understand

Are you sure

I apologize for the misinformation. The correct answer is:

D. A group's traditional and widely accepted way of behaving or doing something

What is the correct answer

The correct answer is D. A group's traditional and widely accepted way of behaving or doing something.