This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Magnetic Resonance Imaging, Subject name: Radiology
[{'content': 'Brain tumors are best seen in which modality? \nSelect and explain. \nA. USG, B. X-ray diffraction, C. CT, D. CE-MRI', 'role': 'user'}, {'content': 'Answer: D \nExplanation: MRI is the Imaging Modality of choice for Neurological Imaging and Soft tissue evaluation Preferred investigation for Brain Tumors is a Contrast Enhanced MRI', 'role': 'assistant'}]