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
Central diabetes insipidus is characterised by - 
Select and explain. 
A. Low plasma and low urine osmolality, B. High plasma and high urine osmolality, C. Low plasma and high urine osmolality, D. Low urine and high plasma osmolality
D: Low urine and high plasma osmolality
Answer: D: Low urine and high plasma osmolality 
Explanation: None