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
Subtle presentation of hyperparathyroidism is: 
Select and explain. 
A. Psychiatric manifestation, B. Neprocalcinosis, C. Abdominal pain, D. Asymptomatic hypercalcemia
D: Asymptomatic hypercalcemia
Answer: D: Asymptomatic hypercalcemia 
Explanation: Answer is D (Asymptomatic hypercalcemia) In view of the above facts from Harrison the best option to consider a 'subtle presentation' should probably be `asymptomatic hypercalcemia'