Answer:
should be a memorial melody
A sentence fragment because it is incomplete
<em>One American writer who did not believe in human goodness and social progress was;</em>
D) Edgar Allan Poe
The story is thus a mystery.
Explanation:
A mystery has some of the following characteristics-
It is usually solved by the end of the tale or the story
-It gives clues throughout the plot that keep on increasing in terms of how much they reveal.
-The mystery is usually an answer to a problem that has been plaguing the person who is asking for a long time.
Without these characteristics a story is usually not a mystery and they can be said to be mostly universal thus in terms of being mystery.
These are the ones that primarily define the genre.