This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
Which of the following is the most common type of congenital cardiac cyanotic anomaly? 
Select and explain. 
A. Tetralogy of Fallot, B. TAPVC, C. Transposition of great vessels, D. Ebstein's anamoly
A: Tetralogy of Fallot
Answer: A: Tetralogy of Fallot 
Explanation: TOF is the commonest cyanotic congenital hea disease(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 2213 - 2214)