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
Goodpasture syndrome has antibodies against - 
Select and explain. 
A. Collagen 1, B. G-y or x-y of Collagen, C. Collagen 4, D. Collagen 2
C: Collagen 4
Answer: C: Collagen 4 
Explanation: . Collagen 4