Jack lives next to me. We usually play together after school. He used to be (曾經) heavy, but he is thin now. This is his story about losing weight.
         He usually had snacks and ate a lot before, but doctor asked him not to eat much. He began to run and play basketball every day. And now, he doesn’t eat snacks any more.
         Guess what? He lost 20kg. Now, he is thin and healthy(健康)!
【題組】39. What does “losing weight” means in the reading?
(A) To become thin.
(B) To become heavy.
(C) To become beautiful.
(D) To become tall.