阅读短文，判断下列句子的对错。
Jim is an American boy. He did many things during his New Year holidays. He visited a police station with his parents. He always wanted to be a policeman. In the last week, he joined in a camp. He learned how to escape from fire and water in the camp. I was difficult but exciting.
He went to see his grandmother. They had a big dinner together. His grandmother is Lucy. She is 98 years old. She's still healthy. How does she keep healthy? She takes exercise every day. She always goes for walks in the morning and in the afternoon. She likes fruit and vegetables. Her favourite fruit are apples. But her teeth are not good. So she often drinks apple juice. “Do you want to be healthy?” Lucy said. “Eat a lot of fruit and vegetables. Take exercise every day.”
Jim had a busy holiday, but he enjoyed it.
B. 
C. 
D. 
E. 