For a string primitive, b. For a String object, d. If we're non-specific, a.
Answer:
Mohammed doesn't believe the cyberbullying exists.
Explanation:
If he knew he wouldn't say they are teasing him. I mean, how would their parents know he is being cyberbullied without evidence? Text messages(such as imessages) are most likely on phones, and not on computers.(Unless its an mac I believe.) And they are bullying him; its not using technology positively.
