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
Mutation in alpha 5 chain of collagen 4, the diagonisis - 
Select and explain. 
A. Alport's syndrome, B. Thin membrane disease, C. Nodular glomerulosclerosis, D. Good pasture syndrome
A: Alport's syndrome
Answer: A: Alport's syndrome 
Explanation: None