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
Higher kVp is 
Select and explain. 
A. Disadvantageous to film, B. Disadvantageous to patient, C. Advantageous to film, D. All of the above
A: Disadvantageous to film
Answer: A: Disadvantageous to film 
Explanation: None