A 45-Year-Old Woman Complains to Her Physician About a 2-Month

A 45-year-old woman complains to her physician about a 2-month history of recurrent,severe abdominal pain that occurs mainly after she eats large,fatty meals.However,she is well-nourished,and an aspirate of her duodenal contents shows normal micellar concentrations of bile acids.A diagnostic procedure reveals a biliary obstruction; where is the gallstone most likely to be lodged?

A) Right hepatic duct
B) Cystic duct
C) Common hepatic duct
D) Vommon bile duct
E) Sphincter of Oddi