Li Ming: What are you doing, Mum? Mum: I'm getting something ready for tomorrow. Tomorrow is Tre e-planting Day. Li Ming: Tree-planting Day? What do people do on this day, Mum? Mum: Many, many people will go and plant trees. Li Ming: Why do they do tha t? Mum: To make the earth more beautiful. And to make our life better. Li Ming: But I often see people on TV cut down many big trees. Why do they do that, Mum? Mum: Hm, to make paper, houses, and to make our life better. Li Ming: To make our life better, too? I just don't understand. Mum, why do many people go and plant trees on the same day? Mum: Oh, my dear son. It's hard to explain to you. When you grow up, you will understand. Just remember trees are very important to us., Question: What does the mother want her son to know most of all? (A) Tree-planting Day is important to man. (B) Cutting down trees is necessary to man. (C) Trees are very important to man.
(C) Trees are very important to man.