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: Pathology
Pathological features of acute rheumatic fever include following except? 
Select and explain. 
A. Aschoff bodies, B. Pancarditis, C. MacCallum patch, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: Ans. is 'd' i.e., None of the above