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: Social & Preventive Medicine
Which of the following is more in mother's milk when compared to bovine milk? 
Select and explain. 
A. Vitamin D, B. Lactose, C. Fat, D. Proteins
B: Lactose
Answer: B: Lactose 
Explanation: On comparing human milk to cow's milk, the level of lactose is higher in human milk. Human milk has a lactose content 7.4 gms while the cow's milk has only 4.4 gms. While vitamin D, fat and proteins are more in cow's milk. Ref: Park's Textbook of Preventive and Social Medicine 19th Edition; Page 499.