Anecdotes are stories from the past, a part of someone's personal experience which is why they have to be factual if they are to be truthful. They can usually be checked, so i would say the correct answer is D. They are the main source of information in cryptozoology, since the main source is actually folklore, not anecdotes.
Synonyms.net/antonyms/regulation
Hope this wed site is helpfull
It is this encounter that enables Romeo to read the list of names of guests for the Capulet feast. Had Romeo not run into Peter, he would have never gone to the feast, and hence, never even met Juliet. It is fate that makes this encounter possible. (if you’re talking about the servant with the guest list for the party)