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: Medicine
All of the following are causes of hypercalcemia except- 
Select and explain. 
A. Sacroidosis, B. Cancer bronchus, C. Hypothyroidism, D. Lithium toxicity
C: Hypothyroidism
Answer: C: Hypothyroidism 
Explanation: None