Judy Has Joined a Social Network

Multiple Choice

Judy has joined a social network. She's having a blast, but a few things have her concerned. You tell her that you have experience with social networking sites, and you're happy to answer her questions.
-Judy has a friend online who has been a victim of cyberbullying. You tell Judy that her friend ____.

A) should report the incident immediately, as most social networks have a code of conduct that penalize such behavior
B) should check the social network's Help section to learn steps she can take to prevent cyberbullies from contacting her again
C) should only contact friends via email, as only email is safe from cyberbullies
D) both a. and b.