What is the optimal way to store and retrieve the list?

A managed package uses a list of country ISO codes and country names as references data in many different places.. managed package Apex code.

What is the optimal way to store and retrieve the list?
A . Store the information in Custom Metadata and query it with SOQ
C . Store the information in Custom Metadata and access it with the getAll() method.
D . Store the information in a List Custom Setting and query it with SOQ
F . Store the information in a list Custom Setting and access it with the getAll() method

View Answer

Answer: C