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: Social & Preventive Medicine
Crude birth rate denominator is - 
Select and explain. 
A. Total no of live births in that year, B. 1000 live births, C. Total numbers of births, D. Mid year population
D: Mid year population
Answer: D: Mid year population 
Explanation: None