Final answer:
The correct answer is D, which acknowledges that the technology, in this case the glasses mentioned, have been made accessible for everyday use, aligning with the central idea of practical application in daily activities.
Step-by-step explanation:
The excerpt from paragraph 11 where Greco mentions that the glasses allow the user to apply the system to real life and the integration into immersive activity demonstrates a key feature of the technology being discussed. It acknowledges that the technology has been made accessible for everyday use, which aligns with the option D in the multiple-choice question provided. It emphasizes the practical application of this technology in real-life scenarios, showing the intent to make advanced tools available not just in specific or controlled environments but as part of the user's regular activities. This helps to support the central idea that the technology is not only advanced but also integrable into the user's daily life.