Answer:
getting a job, not being homeless etc
Explanation:
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.
Collective nouns are always singular
Ex. A flock of birds is migrating to the South.