阅读理解。 Charles Brown is a doctor, but he is not a doctor who helps sick people. He helps fish. People who live in Charles' town call him 'The Fish Doctor'. If their pet (宠物) fish get sick, they call him on the telephone.Charles drives his truck(卡车)to the people's houses. In the truck, he had medicine (药) to help the sick fish get better. Sometimes a pet store calls Charles when there are sick fish. Wherever he goes, 'The Fish Doctor' is always welcome. 1.The best title (题目) is ______. A. The best Doctor B. Charles Goes Fishing C. A New pet Store D. A Wonderful Meal 2. Charles goes to people's houses in a ______. A. car B. bus C. truck D. train 3. People telephone Charles when their_____ are ill. A. dogs B. fish C. cats D. children 4. You can tell from the story that some people _____. A. don't like Charles B. paint their fish C. love their pet fish D. eat their pet fish 5. People who live in Charles' town call him ______. A.'The Fish Doctor' B.'The Dog Doctor' C.'The Cat Doctor' D.'The Pig Doctor'