Reading comprehension: Read the passage below and choose A, B, C or D to answer each question. The Rise of Digital Detox Communities In an e...

Reading comprehension: Read the passage below and choose A, B, C or D to answer each question.

The Rise of Digital Detox Communities

In an era where smartphones are often the first thing people touch in the morning and the last at night, a counter-movement known as "Digital Detox" is gaining momentum. This practice involves voluntarily refraining from using electronic devices such as smartphones and computers for a set period. While it might seem impossible for some, many wellness retreats now offer programs where participants surrender their gadgets at the entrance to reconnect with the physical world.

The psychological benefits of disconnecting are significant. Constant notifications and social media updates trigger the brain's dopamine system, creating a cycle of dependency. By breaking this cycle, individuals often report lower stress levels and improved sleep quality. Some experts argue that it is not just a trend but a necessary survival mechanism for the modern brain, which was not designed to process such a high volume of digital information simultaneously.

Research conducted by Dr. Sarah Jenkins and her team at the University of Wellness highlights how these retreats work. Participants engage in activities like forest bathing, group discussions, and silent meditation. The program currently only allows for a limited range of offline activities, such as reading physical books, hiking on designated trails, and eating communal meals at specific times. "The transition is often difficult for the first 24 hours. However, the sense of presence that people gain is incomparable to any digital experience," says Jenkins.

It seems that a life completely free from digital influence is not something we are likely to see soon given the demands of the modern economy. As mentioned earlier, it could be years before society finds a perfect balance between staying connected and staying sane. However, the growth of these tech-free zones shows that more people are starting to prioritize their mental well-being over virtual likes.

Trả lời cho các câu 636, 637, 638, 639, 640 dưới đây:

Câu 636:

What does "it" in paragraph 2 refer to?

A. A cycle of dependency.

B. Digital detox

C. The dopamine system.

D. Social media update.