Choose the word (A, B, C, or D) that best fits the blank space in the following passage.
The pervasive use of technology has altered the way teenagers live and interact today. Mobile phones, social media apps and the internet have become an integral (30) ________ of their lives. On an (31) ________, teenagers spend around 9 hours a day using some form of technology. While technology has its benefits, excessive usage can negatively (32) ________ teenagers' health and development. It can lead to poor sleep patterns as phones are kept close at night causing disruption. Teenagers staying glued to screens have less time for an (33) ________ activity and family interactions. This constant connectivity also makes them prone to anxiety and mood swings. Social media can make teenagers insecure and get obsessed with projecting the right image. Though developments like online learning have made education accessible, teenagers becoming overly an (34) ________ on technology at a young age may lack essential life skills to function effectively. Parents need to monitor and guide teenagers to use technology in moderation to avoid its ill effects.