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
The commonest type of tracheo-esophageal fistula is 
Select and explain. 
A. Proximal end blind; distal end communicating with trachea, B. Distal end; blind proximal end communicating with trachea, C. Both ends blind, D. Both ends open
A: Proximal end blind; distal end communicating with trachea
Answer: A: Proximal end blind; distal end communicating with trachea 
Explanation: None