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: Anatomy
Mammary gland is a type of ? 
Select and explain. 
A. Modified sweat gland, B. Ceruminous gland, C. Sebaceous gland, D. None of the above
A: Modified sweat gland
Answer: A: Modified sweat gland 
Explanation: Ans. is 'a' i.e., Modified sweat gland