D, I believe, since the others do not make sense if you read them.
Answer:
A. Its ability to use sound effects to bring a story to life.
Explanation:
I hope this helps. =DD
In-depth knowledge of one functional area. let me know if i'm fight
Human behavior is often a product of one’s conscious control. During the
day, Dr. Jekyll appeared to be that respectable gentleman doctor who was all
kind and pleasant. At night, his gruesome side, Mr. Hyde, came out in abandon under
the cloak of darkness. He would do unimaginable things that were the exact
opposite of Jekyll’s good deeds. The author portrays the two realities in human
behavior. In each person’s inner being are both good and evil. It all depends
on him which side would dominate him and that side is what is revealed in his outward
behavior.
