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
Demographic transition is - 
Select and explain. 
A. No gap between bih rate and death rate, B. High difference between CBR and CDR, C. Gap in sex percentage, D. Gap is extreme ages
A: No gap between bih rate and death rate
Answer: A: No gap between bih rate and death rate 
Explanation: FOUH STAGE (Low stationary) of demographic cycle This stage is characterized by a low bih and low death rate with the result that the population becomes stationary. Zero population growth has already been recorded in Austria during 1980-85. Growth rates as little as 0.1 were Recorded in UK, Denmark, Sweden and Belgium during 1980-85. In sho, most industrialized countries have undergone a demographic transition shifting from a high bih and high death rates to low bih and low death rates. Ref: Park 25th edition Pgno : 530