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: Biochemistry
Which of the following is not a good source of vitamin D? 
Select and explain. 
A. Fatty fish, B. Milk, C. Fish liver oils, D. Egg yolk
B: Milk
Answer: B: Milk 
Explanation: Good sources of vitamin D include fatty ﬁsh,ﬁsh liver oils, egg yolk etc. Milk is not a good source of  vitamin D.
Reference: Satyanarayana- Biochemistry, 3rd edition, pg-128