I believe the answer is a Metaphor.
Well there is best friends,close friends, good friends, bad friends, weird friends, cool friends, mean friends and so on and so forth. But there is the friend that is closer than you own family, that's the best one. But i don't know what you are looking for. ._.
Answer: A) - Logic
Explanation:
Logical appeal is the strategic use of logic, claims, and evidence to convince an audience of a certain point and typically uses strong evidence (facts, statistics, personal experience, expert authority, interviews) by referencing previous work on the topic.