40.What is this reading for?
(A) Telling people to spend less time watching television and more time on reading or sleeping.
(B) Telling people not to give up the important things along with the things we do not want.
(C) Telling people to have televisions for old people and language learners to stay in touch with the world.
(D) Telling people not to forget to spend time with family even though we may sometimes get busy.