Arrange the following demographic transition theory given by Blackur (ascending order)
1. Declining phase with low mortality, lower fertility
2. Low stationary phases with low fertility and low mortality
3. Early expanding phase marked by high fertility
4. High stationary phase marked by high fertility and mortality

A. 1, 2, 3, 4

B. 4, 3, 2, 1

C. 3, 4, 2, 1

D. 1, 3, 2, 4

Answer: Option B