This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
[{'content': 'A community survey shows crude bih rate 23, and crude death rate 6. The demographic stage of population is - \nSelect and explain. \nA. High stationary, B. Early expanding, C. Late expanding, D. Low stationary', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Death rate declines still fuher and the bih rate tend to fall in third stage of demographic cycle or late expanding stage. But the population continue to grow as bihs exceeds death. - India has entered this phase. Reference : Park&;s textbook of preventive and social medicine, 23rd edition, pg no: 479', 'role': 'assistant'}]