Either B or C. I think B.
Answer:
"Paper has more patience than people." I thought of this saying on one of those days when I was feeling a little depressed and was sitting at home with my chin in my hands, bored and listless, wondering whether to stay in or go out. I finally stayed where I was, brooding. Yes, paper does have more patience, and since I'm not planning to let anyone else read this stiff-backed notebook grandly referred to as a "diary," unless I should ever find a real friend, it probably won't make a bit of difference.
Answer:
They probably won't exist anymore. There would be another form of technology that replaces phones.
Or you could say in 20 years, phones will probably be able to transform into other stuff like computers etc.
Explanation: