An endless cycle of creation and response on the Internet is called Option D. A feedback loop.
Explanation:
A feedback loop is a general concept that has applications in a wide number of fields. You will see the term used in biology, psychology, computer science, marketing, software development... there are many more examples as well. Generally, a feedback loop involves some kind of output that is then returned or fed back into the original process. A comment board on the internet can be an endless loop because people will post and then respond, and then respond to the response. Addiction can be a feedback loop because the person uses drugs or alcohol, then feels bad or experiences withdrawal, and then starts using the substance again to feel better.
