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: Microbiology
Commonest complication of diptheria: 
Select and explain. 
A. Myocarditis, B. Neuropathy, C. Endocarditis, D. Pericarditis
A: Myocarditis
Answer: A: Myocarditis 
Explanation: Ans. is. 'a' i. e. Myocarditis