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
Characteristic pathological feature of rheumatic fever is/are: 
Select and explain. 
A. Joint pains, B. Fever, C. Aschoff modules, D. All of the above
C: Aschoff modules
Answer: C: Aschoff modules 
Explanation: None