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
Centenary year for X-ray is: 
Select and explain. 
A. 1995, B. 1999, C. 1997, D. 2001
A: 1995
Answer: A: 1995 
Explanation: Ans. 1995