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
A 40-year-old female patient on long term steroid therapy presents with recent onset of severe pain in the right hip. Imaging modality of choice for this problem is: 
Select and explain. 
A. CT scan, B. Bone scan, C. MRI, D. Plain X-ray
C: MRI
Answer: C: MRI 
Explanation: Ans. MRI