The main idea of the passage above from Cotton Mather's "The Wonders of the Invisible World" is to justify the outcome of the trials. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
The correct answer would be C. Between classes, during lunch, and sometimes on the bus.
The passage clearly states that cell phones must be in their lockers or vehicles, so cell phones cannot be used during class. It also states that cell phone use is acceptable if it does not distract others or affect their punctuality.
Lastly, the passage states the cell phone use on the bus is determined by the bus driver, so you would be able to sometimes use your phone on the bus.
Hope this helps!
The answer to the question is d