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: Pediatrics
Infant with down syndrome have A/E – a)  VSDb)  Duodenal atrestiac)  Leukaemiad)  Normal intelligencee)  Delayed skeletal maturation 
Select and explain. 
A. de, B. bc, C. cd, D. bd
A: de
Answer: A: de 
Explanation: None