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: Surgery
Boerhaave's syndrome is due to ? 
Select and explain. 
A. Drug induced esophagus perforation, B. Corrosive injury, C. Spontaneous perforation, D. Gastro-esophageal reflux disease
C: Spontaneous perforation
Answer: C: Spontaneous perforation 
Explanation: Ans. is 'c' i.e., Spontaneous perforation