Answer:
the correct answer is the A)birth rate, death rate, and total population.
Step-by-step explanation:
Initially, the demographic transition theory was intended to explain the relationship between demographic changes and socio-economic changes that occurred in the eighteenth century in developed countries in Europe and therefore establish a causal relationship between population, development and population growth, for the calculations of this demographic changes we use the birth ratem death rate and the total population at a given time, and use them to compare.