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 congenital cardiac defect? 
Select and explain. 
A. TOF, B. Transposition of great aeries, C. Ventricular septal defect, D. Atrial septal defect
C: Ventricular septal defect
Answer: C: Ventricular septal defect 
Explanation: VSD is the most common congenital hea diseaseTOF is the commonest cyanotic congenital hea disease(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 2194 - 2195)