This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Investigation of choice for meningeal carcinomatosis is - 
Select and explain. 
A. Contrast enhanced MRI, B. PET – CT, C. SPECT, D. NCCT
A: Contrast enhanced MRI
Answer: A: Contrast enhanced MRI 
Explanation: None