Answer:
A. When a person speaks into a cellphone, his or her voice is broken down and reassembled over a radio link, so the person on the other end instantaneously hears what is said
Step-by-step explanation:
A cellphone sends and receives information in a speedy way invisible to the human eye.
The evidence from the passage that supports this statement is option A which says that messages are relayed instantly to the other person on the line.
This shows that the sending and receiving of information is so fast that the human eye cannot see.