be able to communicate when sick. provide a safer method of communicating. provide more jobs in the communication industry. be able to communicate when away from home.
I gave my students this multiple choice question: During the early 1990s, people began using cell phones to communicate. The development of the cell phone was most likely a response to the need of society to

Only one answer is correct among these 4 choices:
- be able to communicate when sick.
- provide a safer method of communicating.
- provide more jobs in the communication industry.
- be able to communicate when away from home.

Could you tell me which one is correct?

be able to communicate when away from home.