Correct option is A
(A) represents the first stage of demographic transition where both birth and death rates are high, leading to slow population growth.
(B) is the second stage where death rates decline due to improvements in healthcare and sanitation, while birth rates remain high.
(C) describes the third stage where birth rates begin to fall due to changes in social norms and increased access to contraception.
(D) is the fourth stage characterized by low birth and death rates, leading to slow population growth.
This sequence correctly follows the stages of demographic transition, illustrating the typical pattern of population change from high fluctuation in growth to stabilization.