This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small intestine and large intestine, Subject name: Anatomy
[{'content': 'True statement about bile duct: \nSelect and explain. \nA. Drains bile into the second pa of the duodenum, B. Can be blocked by cancer in the body of pancreas, C. Joins the main pancreatic duct, which carries hormones, D. Is formed by union of the right and left hepatic duct', 'role': 'user'}, {'content': 'Answer: A \nExplanation: CHOICE EXPLANATION & ELIMINATION REASON 1 True statement 2 Blocked by cancer in the head of pancreas 3 Pancreatic duct carries exocrine juice not hormones 4 Formed by common hepatic duct and cystic duct', 'role': 'assistant'}]