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: Medicine
Which of the following is the most specific and sensitive screening test in a case of renovascular hypertension - 
Select and explain. 
A. HRCT, B. CT guided angiography, C. Captopril induced radionuclide scan, D. MRI
D: MRI
Answer: D: MRI 
Explanation: None