In the following question, a sentence is given with four words marked as (A), (B) (C), and (D). These words may or may not be placed in the correct order. Four options with different arrangements of these words have been provided

The pattern(A) of population growth began to change in the latter(B) half of the nineteenth century, and by the end of the first dramatic(C) of the twentieth century, these changes were quite quarter(D).