A farmer who lived in a small village suffered from a severe pain in his chest. This never seemed to get any better. The farmer decided that he would go to see a doctor in the nearest town. But as he was a miserly(吝啬的)person, he thought he would find out that a patient had to pay three pounds for the first visit and one pound for the second visit. The farmer thought about this for a long time, and then he decided to go to the doctor in the town. As he came to the doctor’s consulting room(诊察室), he said "Good morning, doctor. Here I am again." The doctor was a little surprised. He asked him a few questions. Examined his chest and then took the pound which the farmer insisted on giving him. Then the doctor said with a smile, "Well, sir, there is nothing new. Please continue to take the same medicine I gave you the first time you came to see me.\ The doctor told the farmer ______.
A. something new about his illness B. to go on taking the medicine the doctor had given him earlier C. to come again D. that he was going to give him some more medicine