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
The substance that has anti infective property directly or indirectly in milk is all except –a)  Lactoferinb)  Lactalbuminc)  Lysozymed)  Nucleotides 
Select and explain. 
A. bd, B. d, C. ab, D. ac
A: bd
Answer: A: bd 
Explanation: None