题目内容：

    One day, a poor boy named Howard Kelly was selling goods to pay his way through school. He only had one dollar left, and he was hungry.1.However. He became very nervous when a young woman opened the door. Instead of a meal, he changed his mind and asked for a drink of water. 2. He drank it slowly and then asked, “How much do I owe you?”

You don't owe me anything, she replied. 3.

He said,“ Then I thank you from my heart.”

As Howard left that house, he not only felt stronger physically, but his faith in humanity(人性)also grow stronger. Years later, that lady became very ill. 4. They finally sent her to a big city, where they called inexperienced doctors to study her unusual disease.

Dr Howard Kelly was one of these doctors. When he heard the name of the town she came from, he rose and went down the hall of the hospital to her room.

Dressed in his doctor's clothes, he went in to see her. He recognized her at once.5.After a long struggle, the battle was won. Doctor Kelly was asked to see the lady's medical bill. He looked at it, and then wrote a note on it that said:

"Paid in full with a glass of milk."

Dr Howard Kelly

A.The local doctors did not know what was wrong with her.

B.|He decided to ask for a meal at the next house he visited.

C.My mother taught me never accept payment for kindnesses.

D.He made up his mind to try everything he could to save her life.

E.The lady thought he looked hungry,so she brought him a large glass of milk.