The Mandela effect is a real essay since I have read many essays and huge body paragraphs with Mandela effect in it....So from background knowledge alone, your answer is True, the Mandela effect was in a real essay :)
B and C seem like they are just giving information about the question, instead of answering it. A seems like a legitimate answer
Answer: external: Lindo vs. Meimei.
Explanation: in a written work, a conflict is a struggle between opposite forces, usually it is between a character (the main character or a very important one) and himself (internal conflict) or society or another character (external conflict). In the given excerpt we can see a discussion between Lindo and Meimei, this is an example of external conflict, because it is between two characters.