What Is the Main Difference Between Deontological and Teleological Theories

What is the main difference between deontological and teleological theories?

A) Teleological theory focuses on the use of principles to choose the correct actions.
B) Deontological theory focuses on ends or outcomes and consequences of decisions.
C) Deontological theory suggests that standards for moral behaviour are independent of the ends or outcomes of actions.
D) All teleological theories are rule based.