奶奶在体检时，发现尿液中含有大量的葡萄糖，则她体内发生病变的部位可能是（   ）

阅读短文，判断句子“正确”还是“错误”。

    Lily and Lucy are twins. They come from America. They came to China in 2004 because their parents came to China to work. Their father is an engineer, and their mother is a teacher. Lily and Lucy are 12 years old. They are in Grade 5, but they are in different classes. Lily is in Class 1 and Lucy is in Class 3. They walk to school every day. They have many friends in China. The girls and their friends often play together. They like hiking with their friends in summer and making snowmen with them in winter. They enjoy their life in China.