Answer:
The correct option is : d. hepatopancreatic ampulla
Explanation:
Hepatopancreatic ampulla, also celled the ampulla of Vater, is formed by the fusion of common bile duct and pancreatic duct.
The cystic duct joins the common hepatic duct to the gall bladder, thus forming the common bile duct. This common bile duct and the pancreatic duct then join together, this junction is called the hepatopancreatic ampulla or the ampulla of Vater.