Answer:
The Bermuda triangle was spread out to many places. Many ships and planes just went into the oblivion.
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.
More practical
When Juliet voices some of the doubts she has, it shows that she is smarter and much more practical than Romeo. He jumps into things blindly, only guided by his emotions in that particular moment. Juliet actually thinks about some things (or talks about thinking about them) before she does them, even if she does them against her better judgment.