Which one of the following sequences correctly reflects the evolution of educational technology support in their education?

• A. Programmed learning material, textbook support, online and modular material.
• B. Textbook supplementation programmed learning material, modular material and online method.
• C. Modular material programmed learning online and textbook supplementation.
• D. Online methods, modular material, text-book supplementation and programmed learning material.