Answer:
D. Comparing the human to a superman
Step-by-step explanation:
The primary purpose of the author is to show how the technological and the scientific advances be a blessing or become a curse depends upon the human use. He promotes the right usage of technological advancements in order to promote peace by every means. He intends to clarify the listeners about the destruction it made to the world by engaging in war and nuclear activities. He compares Man to a superman in order to show how man thinks of himself as the supreme power to control everything by their simple scientific discoveries.