通读下面的短文，掌握其大意，然后从各题所给的A、B、C三个选项中选出一个最佳答案。
One very cold morning, my, father and I were working on the farm. I asked him how long I must stay in the ____1____.
“About an hour.” he answered.
“I wish I could go hone now—my __2__ aches.”
“I am sorry, but can’t you stay till lunch time?”Said my father.
“But my headache is getting __3__.”
“Well,” said he, “you may go home. I don’t want you to work if you are sick. Go straight home __4__ tell your mother to give you some rhubarb(大黄，一种苦药).It will __5__ you a lot.”
I went back home. However, I told my mother that my head was better, hoping not to __6__ the terrible medicine. But it was too __7__.She understood my __8__ as well as my father. So she prepared the rhubarb.
I had to swallow(吞) all of the rhubarb. Dear me! How bitter it was! I would rather __9__ all day in the field. But it cured(治愈) my laziness, and I learned that it is important to be __10__.
Friends, keep it, though there is another and a better reason.
A. field               B. hospital              C. factory
A. tooth               B. head                  C. stomach
A. better              B. worse                 C. less
A. but                 B. or                    C. and
A. hurt                B. worry                 C. help
A. take                B. buy                   C. make
A. early               B. late                  C. easy
A. joke                B. duty                  C. problem
A. work                B. play                 C. study
A. kind                B. honest                C, helpful