This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Investigation of choice for choledochal cyst is 
Select and explain. 
A. Graham chole's test, B. MRCP, C. ERCP, D. USG
B: MRCP
Answer: B: MRCP 
Explanation: The investigation of choice for Choledochal cyst is MRCP-to see the status of pancreatic & biliary system and pancreaticobiliary maljunction. Reference:SRB's manual of surgery,5th edition,page no:638.