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: Physiology
Melatonin is secreted by parenchymal cells of pineal gland. Fever causes: 
Select and explain. 
A. Thermoregulatory centre to shift to new level, B. Resetting of skin temperature, C. Both of the above, D. None of the above
A: Thermoregulatory centre to shift to new level
Answer: A: Thermoregulatory centre to shift to new level 
Explanation: Thermoregulatory centre to shift to new level