The answer is infinitive phrase
B. is the answer to the problem- let me know if it was right I'm pretty certain it is.
1. Allows kids to be opened up to cyber bullying
2. Disconnects adolescents from social interactions
3. Interferes with school
4. Children under thirteen are irresponsible and are unable to keep personal information a privacy
5. They are easy targets to be taken advantage of
6. It opens them up to foul language and inappropriate content
