阅读理解Jackwastooheavyanddidn’thaveagi

阅读理解 Jack was too heavy and didn’t have a girlfriend. He felt very sad and went to a doctor for help. The doctor told him to eat less and exercise often.
One day, Jack was sitting by the road with his dog. Then a policeman came over. Jack stood up and began to run down the road. The policeman saw that and ran after him at once. After a few minutes the policeman caught Jack.
“Where are you going?” said the policeman. “Why did you begin to run when you saw me?” “Oh, no,” said the young man, “I am just doing exercise . Because I am too heavy, the doctor told me that I must run every day.”
“Oh, I see,” said the policeman. “sorry. You run to help yourself to keep healthy. That’s so good!” Then he ran after Jack to help him1.Jack wanted to ______.
A.be good at runningB.makes friends with the policemanC.help himself to lose weight(重量)2.At first the policeman found the young man ______.
A.was sitting and playing near the riverB.was playing with his dog by the roadC.was sitting by the road with his dog3.Who ran faster?A.JackB.The policemanC.The dog4.Which of the following is NOT TRUE?A.The policeman thought Jack was a bad manB.The doctor told Jack to run after the policemanC.The policeman said sorry to Jack5.At last, the policeman ran after Jack because he ______.
A.wanted to help Jack to lose weightB.wanted to be a good policemanC.wanted to keep healthy as well

CCABA解析1.根据第一段He felt very sad and went to a doctor for help. The doctor told him to eat less and exercise often.描述可知选C。
2.根据第二段One day, Jack was sitting by the road with his dog. Then a policeman came over. 描述，可知选C。
3.根据第二段After a few minutes the policeman caught Jack.描述，可知警察跑得快。故选A。
4.根据第三段Because I am too heavy, the doctor told me that I must run every day.”描述，可知选B。
5.根据最后一段“Oh, I see,” said the policeman. “sorry. You run to help yourself to keep healthy. That’s so good!” Then he ran after Jack to help him.描述，可知选A。

就是这个解释