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: Ophthalmology
Which of the following is not an absolute contraindication for corneal transplantation? 
Select and explain. 
A. TB meningitis, B. Rabies, C. Death due to unknown cause, D. SSPE
A: TB meningitis
Answer: A: TB meningitis 
Explanation: Ans. a. TB meningitis