I would say b hope it is right
A. carbon uhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh duhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
The patient can be subjected to intraoperative cholangiography wherein a stent in the bile duct will be placed and a radiopaque dye will be injected. X-rays will be taken. This is to locate the level of obstruction and to confirm if there is a common bile duct obstruction. In extracting stones, the surgeon can prefer doing an endoscopic retrograde cholangiopancreatography or ERCP and perform basket extraction of the common bile duct stone; or to surgically remove the sphincter of Oddi to allow easy passage of the stones.
The answer for this question would be B
