A is the best answer because when you relate yourself to the text,its easier to understand
Exercising self-control does make us more likely to achieve our goals due to the reason that self-control helps with decision making and how to make the smartest decisions. Not only that but it also helps with restraining from doing things you know you’re not supposed to do. So to achieve your goal you need self-control to make sure you don’t get off that path of maintaining your goal.
Concur is another word for agree. And evolve is another word for develop. So since they share the same type of relationship, word:synonym, this would be the answer you want to pick for this analogy