Rearrange the sentences to make a paragraph -

A. Now divided into two separate states of India and Pakistan,

B. The population of India as a single geographical and cultural unit.

C. which have come to India throughout the fifty to sixty centuries of her long history.

D. forms one-fifth of the entire population of the world, and presents, at first sight, a bewildering variety of cultures.

                    Choose the correct answer from the options given below