be used to send messages. store important information. cause people to be distracted. be used during emergencies.
I gave my students this multiple choice question: Cell phone technology allows people to keep in contact with their families when they are away from home. A problem that arises when using cell phones is that they can

Only one answer is correct among these 4 choices:
- be used to send messages.
- store important information.
- cause people to be distracted.
- be used during emergencies.

Could you tell me which one is correct?

cause people to be distracted.