4. How does paragraph 18 contribute to the development of ideas in the text?

A It illustrates why users will have to learn to operate the
technology before it is beneficial to them

B. It explains why the technology will not be beneficial to humans in
practice in the future.

C. It emphasizes why this technology is needed for humans to
succeed in the future.
sk has

D. It contradicts the usefulness of the technology explained in the
article.