This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Which of the following is reducing sugar \nSelect and explain. \nA. Sucrose, B. Isomaltose, C. Trehalose, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sucrose and Trehalose are non reducing sugars.\nIsomaltose is a disaccharide similar to maltose but with\xa0α (1,6) linkage instead of\xa0α (1,4) linkage.', 'role': 'assistant'}]