An abstract is a summary of an article or book. It does summarize that facts in an article, so it will most likely be appropriate. However, it is a brief explanation, thus it may only provide brief information which is bland and not specific, which may not be appropriate for research.
Hope this helps! c:
I think it is C: them indirect object.
The subject is Elizabeth
the verb (transitive verb) is showed
Them would be an indirect object because it appears in the middle of the verb and the direct object, which in this case is book.
Hopefully this helps and good luck!!
A name that someone was born with
I believe it is a your welcome
C.) flashback as a reminder of when the man with the umbrella was unknown