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: Anatomy
[{'content': 'Most sensitive investigation of pancreatic carcinoma is \nSelect and explain. \nA. Angiography, B. ERCP, C. Ultrasound, D. CT scan', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Investigation of choice for carcinoma pancreas is MDCT Currently CT is probably the single most versatile and cost effective tool for diagnosis of pancreatic cancer Ref: CSDT 11th edition Pgno :645', 'role': 'assistant'}]